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Ответы на тесты Econometrics (Advanced Level).d

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Бесплатные ответы на тесты по предмету «Econometrics (Advanced Level).d» — Синергия и МТИ

Вопрос 1Ответ открыт бесплатно

Which of the following values is used as a summary measure for a sample, such as a sample mean?

  1. Population parameter
  2. Sample parameter
  3. Sample statistic✓ Правильный ответ
  4. Population mean
✓ Правильный ответ

Sample statistic

Вопрос 2

Which of the following is a branch of predictive statistics?

  1. Descriptive statistics
  2. Inferential statistics
  3. Industry statistics
  4. Business statistics
Вопрос 3

The control charts and procedures of descriptive statistics which are used to enhance a procedure can be classified into which of these categories?

  1. Behavioural tools
  2. Serial tools
  3. Industry statistics
  4. Statistical tools
Вопрос 4

Which of the following can also be represented as sample statistics?

  1. Lowercase Greek letters
  2. Roman letters
  3. Associated Roman alphabets
  4. Uppercase Greek letters
Вопрос 5

To which of the following options do individual respondents, focus groups, and panels of respondents belong?

  1. Primary data sources
  2. Secondary data sources
  3. Itemised data sources
  4. Pointed data sources
Вопрос 6Ответ открыт бесплатно

What are the variables whose calculation is done according to the weight, height, and length known as?

  1. Flowchart variables
  2. Discrete variables
  3. Continuous variables✓ Правильный ответ
  4. Measuring variables
✓ Правильный ответ

Continuous variables

Вопрос 7

Which method used to examine inflation rate anticipation, unemployment rate, and capacity utilisation to produce products?

  1. Data exporting technique
  2. Data importing technique
  3. Forecasting technique
  4. Data supplying technique
Вопрос 8

Specialised processes such as graphical and numerical methods are utilised in which of the following?

  1. Education statistics
  2. Descriptive statistics
  3. Business statistics
  4. Social statistics
Вопрос 9

What is the scale applied in statistics, which imparts a difference of magnitude and proportions, is considered as?

  1. Exponential scale
  2. Goodness scale
  3. Ratio scale
  4. Satisfactory scale
Вопрос 10Ответ открыт бесплатно

Review of performance appraisal, labour turnover rates, planning of incentives, and training programs are the examples of which of the following?

  1. Statistics in production
  2. Statistics in marketing
  3. Statistics in finance
  4. Statistics in personnel management✓ Правильный ответ
✓ Правильный ответ

Statistics in personnel management

Вопрос 11

What is the advantage of using SPSS over calculating statistics by hand?

  1. This is how most quantitative data analysis is done in "real research" nowadays
  2. It reduces the chance of making errors in your calculations
  3. It equips you with a useful transferable skill
  4. It refers to codes rather than variables
Вопрос 12

In SPSS, what is the "Data Viewer"?

  1. A table summarizing the frequencies of data for one variable
  2. A spreadsheet into which data can be entered
  3. A dialog box that allows you to choose a statistical test
  4. A screen in which variables can be defined and labeled
Вопрос 13Ответ открыт бесплатно

How is a variable name different from a variable label?

  1. It is shorter and less detailed✓ Правильный ответ
  2. It is longer and more detailed
  3. It is abstract and unspecific
  4. It refers to codes rather than variables
✓ Правильный ответ

It is shorter and less detailed

Вопрос 14

What does the operation "Recode Into Different Variables" do to the data?

  1. Replaces missing data with some random scores
  2. Reverses the position of the independent and dependent variable on a graph
  3. Redistributes a range of values into a new set of categories and creates a new variable
  4. Represents the data in the form of a pie chart
Вопрос 15

How would you use the drop-down menus in SPSS to generate a frequency table?

  1. Open the Output Viewer and click: Save As; Pie Chart
  2. Click on: Analyze; Descriptive Statistics; Frequencies
  3. Click on: Graphs; Frequencies; Pearson
  4. Open the Variable Viewer and recode the value labels
Вопрос 16Ответ открыт бесплатно

Why might you tell SPSS to represent the "slices" of a pie chart in different patterns?

  1. Because the program tends to crash if you ask it to use colour
  2. Because the patterns form symbolic visual images of different social groups
  3. In order to make full use of the facilities that SPSS can offer
  4. If you do not have a colour printer, it makes the differences between the slices clearer✓ Правильный ответ
✓ Правильный ответ

If you do not have a colour printer, it makes the differences between the slices clearer

Вопрос 17

When cross-tabulating two variables, it is conventional to:

  1. Represent the independent variable in rows and the dependent variable in columns
  2. Assign both the dependent and independent variables to columns
  3. Represent the dependent variable in rows and the independent variable in columns
  4. Assign both the dependent and independent variables to rows
Вопрос 18

In which sub-dialog box can the Chi Square test be found?

  1. Frequencies: Percentages
  2. Crosstabs: Statistics
  3. Bivariate: Pearson
  4. Gender: Female
Вопрос 19

To generate a Spearman's rho test, which set of instructions should you give SPSS?

  1. Analyze; Crosstabs; Descriptive Statistics; Spearman; OK
  2. Graphs; Frequencies; [select variables]; Spearman; OK
  3. Analyze; Compare Means; Anova table; First layer; Spearman; OK
  4. Analyze; Correlate; Bivariate; [select variables]; Spearman; OK
Вопрос 20Ответ открыт бесплатно

How would you print a bar chart that you have just produced in SPSS?

  1. In Output Viewer, click File, Print, select the bar chart and click OK✓ Правильный ответ
  2. In Variable Viewer, open bar chart, click File, Print, OK
  3. In Chart Editor, click Descriptive Statistics, Print, OK
  4. In Data Editor, open Graphs dialog box, click Save, OK
✓ Правильный ответ

In Output Viewer, click File, Print, select the bar chart and click OK

Вопрос 21

Which of the following is appropriate to graph a single categorical variable?

  1. Histogram
  2. Bar chart
  3. Boxplot
  4. Scatterplot
Вопрос 22

Which of the following is appropriate to graph a single continuous variable?

  1. Waffle chart
  2. Histogram
  3. Bar chart
  4. Pie chart
Вопрос 23Ответ открыт бесплатно

A mosaic plot is used when graphing

  1. the relationship between two continuous variables.
  2. the relationship between one continuous and one categorical variable.
  3. the relationship between two categorical variables.✓ Правильный ответ
  4. data that are not normally distributed by group.
✓ Правильный ответ

the relationship between two categorical variables.

Вопрос 24

Which of the following is not a recommended type of graph?

  1. Pie chart
  2. Bar chart
  3. Waffle chart
  4. Density plot
Вопрос 25

Density plots, histograms, and boxplots can all be used to

  1. examine frequencies in categories of a factor.
  2. examine the relationship between two categorical variables.
  3. determine whether two continuous variables are related.
  4. examine the distribution of a continuous variable.
Вопрос 26Ответ открыт бесплатно

The graph which shows the changes over a specific time period is called

  1. meridian graph
  2. pie graph
  3. line graph✓ Правильный ответ
  4. bar graph
✓ Правильный ответ

line graph

Вопрос 27

The vertical axis of bar graph is also known as

  1. y-axis
  2. h-axis
  3. v-axis
  4. x-axis
Вопрос 28

Considering the line graph, the x-axis represents

  1. false energy units
  2. infrared energy units
  3. subject of measurement
  4. time period
Вопрос 29

Considering the line graph, the y-axis represents

  1. time period in years
  2. subject of measurement
  3. time period in days
  4. time period in minutes
Вопрос 30Ответ открыт бесплатно

The horizontal axis of bar graph is also known as

  1. v-axis
  2. x-axis✓ Правильный ответ
  3. y-axis
  4. h-axis
✓ Правильный ответ

x-axis

Вопрос 31

Which measure of central tendency takes into account the magnitude of scores?

  1. Median
  2. Range
  3. Mode
  4. Mean
Вопрос 32

The median of an ordered set of data is the value that represents

  1. The mean of the squared deviations of the values from the mean
  2. The most frequently observed value
  3. The arithmetic average of the data values
  4. The middle or approximate middle of the data set
Вопрос 33Ответ открыт бесплатно

A measure of central tendency, given as the value above which half of the values fall and below which half of the values fall is called the ______________.

  1. Maxima
  2. Mode
  3. Median✓ Правильный ответ
  4. Mean
✓ Правильный ответ

Median

Вопрос 34

What is the median of the following set of scores? 19, 5, 12, 10, 14?

  1. 10
  2. 14
  3. 19
  4. 12
Вопрос 35

The mean of ten numbers is 58. If one of the numbers is 40, what is the mean of the other nine?

  1. 540
  2. 60
  3. 18
  4. 162
Вопрос 36Ответ открыт бесплатно

On his first 5 biology tests, Bob received the following scores: 72, 86, 92, 63, and 77. What test score must Bob earn on his sixth test so that his average (mean score) for all six tests will be 80

  1. 90✓ Правильный ответ
  2. 86
  3. 95
  4. 80
✓ Правильный ответ

90

Вопрос 37

Following are the disadvantages of Mean except

  1. Does not possess the desired algebraic property
  2. Cannot be computed if there are missing values due to omission or non-response.
  3. Easily affected by extreme values
  4. In grouped data with open-ended class intervals, the mean cannot be computed
Вопрос 38

Which of the following is NOT a common measure of central tendency?

  1. Mean
  2. Mode
  3. Median
  4. Range
Вопрос 39

There are two methods of finding mode in discrete series

  1. Mid point method and table method
  2. Descending method and grouping method
  3. Inspection method and grouping method
  4. Ascending method and grouping method
Вопрос 40Ответ открыт бесплатно

Following are the partition values except

  1. Deciles
  2. Quartile
  3. Mode✓ Правильный ответ
  4. Percentile
✓ Правильный ответ

Mode

Вопрос 41

The techniques which provide the decision maker a systematic and powerful means of analysis to explore policies for achieving predetermined goals are called..........................

  1. Correlation techniques
  2. Mathematical techniques
  3. Quantitative techniques
  4. Multiplication techniques
Вопрос 42

Correlation analysis is a ..............................

  1. Univariate analysis
  2. Bivariate analysis
  3. Polyvariant analysis
  4. Hexovariate analysis
Вопрос 43Ответ открыт бесплатно

If change in one variable results a corresponding change in the other variable, then the variables are.........................

  1. Correlated✓ Правильный ответ
  2. Uni corelated
  3. Regression
  4. Bi correlated
✓ Правильный ответ

Correlated

Вопрос 44

When the values of two variables move in the same direction, correlation is said to be ............................

  1. Linear
  2. Non-linear
  3. Positive
  4. Negative
Вопрос 45

When the values of two variables move in the opposite directions, correlation is said to be ............................

  1. Linear
  2. Non-linear
  3. Positive
  4. Negative
Вопрос 46Ответ открыт бесплатно

When the amount of change in one variable leads to a constant ratio of change in the other variable, then correlation is said to be .........................

  1. Linear✓ Правильный ответ
  2. Non-linear
  3. Positive
  4. Negative
✓ Правильный ответ

Linear

Вопрос 47

...........................attempts to determine the degree of relationship between variables.

  1. Regression analysis
  2. Correlation analysis
  3. Inferential analysis
  4. Statistics
Вопрос 48

Non-linear correlation is also called.....................................

  1. Non-curvy linear correlation
  2. Curvy linear correlation
  3. Zero correlation
  4. Asymptotic
Вопрос 49

Scatter diagram is also called ......................

  1. Dot chart
  2. Correlation graph
  3. Histogram
  4. Bar Graph
Вопрос 50Ответ открыт бесплатно

If all the points of a scatter diagram lie on a straight line falling from left upper corner to the right bottom corner, the correlation is called...................

  1. Zero correlation
  2. High degree of positive correlation
  3. Perfect negative correlation✓ Правильный ответ
  4. Perfect positive correlation
✓ Правильный ответ

Perfect negative correlation

Вопрос 51

If you rolled a 6-sided dice, what is the probability of rolling a 3?

  1. 1/6
  2. 2/3
  3. 3/6
  4. 5/6
Вопрос 52

If you flipped 2 coins, what is the probability that both will land on tails?

  1. 2/4
  2. 3/4
  3. 1/4
  4. 0/4
Вопрос 53Ответ открыт бесплатно

If you rolled a 6-sided dice, what is the probability of rolling a even number?

  1. 2/6
  2. 3/6✓ Правильный ответ
  3. 4/6
  4. 5/6
✓ Правильный ответ

3/6

Вопрос 54

A lolly bag contains 2 red, 3 green and 2 blue gum balls. What is the probability of selecting a green one?

  1. 2/7
  2. 5/7
  3. 4/7
  4. 3/7
Вопрос 55

A card is selected from a deck of playing cards. What is the probability of selecting a red card?

  1. 1/4
  2. 3/4
  3. 0/2
  4. 1/2
Вопрос 56Ответ открыт бесплатно

What is the probability of selecting the diamond suit from a deck of playing cards?

  1. 1/4✓ Правильный ответ
  2. 2/4
  3. 3/4
  4. 0/4
✓ Правильный ответ

1/4

Вопрос 57

What is the probability of rock beating paper?

  1. 0/3
  2. 1/3
  3. 2/3
  4. 1
Вопрос 58

If you flipped a coin, what is the probability it will land on heads?

  1. 0/2
  2. 1/4
  3. 3/4
  4. 1/2
Вопрос 59

There are red, yellow and green lollipops in a bag. What is the probability of selecting a blue one?

  1. 1/4
  2. 1
  3. 0/3
  4. 2/3
Вопрос 60Ответ открыт бесплатно

What is the probability of paper losing to scissors?

  1. 0/3
  2. 1/3
  3. 2/3
  4. 1✓ Правильный ответ
✓ Правильный ответ

1

Вопрос 61

Data originally collected in the process of investigation are known as

  1. Foreign data
  2. Primary data
  3. Third data
  4. Secondary data
Вопрос 62

Census is

  1. The method of planning, organising and publishing data.
  2. The method in which no data is collected
  3. The method In which data is collected from each and every unit.
  4. The method in which few units out of the entire population are chosen.
Вопрос 63Ответ открыт бесплатно

Statistical enquiry means

  1. It is science for knowledge
  2. Search for knowledge
  3. Collection of anything
  4. Search for knowledge with the help of statistical methods.✓ Правильный ответ
✓ Правильный ответ

Search for knowledge with the help of statistical methods.

Вопрос 64

________ are those which are already in existence and which might be collected for some purpose other than the answering of the question in hand.

  1. Direct data
  2. Basic data
  3. Primary data
  4. Secondary data
Вопрос 65

Which law is also called Principle of Stability of Mass Data

  1. Gravitational law
  2. Law of statistical regularity
  3. Law of demand
  4. Law of Inertia of large numbers
Вопрос 66Ответ открыт бесплатно

Following are the method of restricted random sampling except

  1. Table of random numbers
  2. Stratified sampling
  3. Purposive sampling✓ Правильный ответ
  4. Cluster sampling
✓ Правильный ответ

Purposive sampling

Вопрос 67

An enquiry in which each unit of the universe is studied is called _______.

  1. Sample
  2. Population
  3. Incomplete enumeration
  4. Complete enumeration
Вопрос 68

Cluster sampling means

  1. Sample is divided into number of sub-groups
  2. Sample are selected at regular interval
  3. Sample is obtained by conscious selection
  4. Universe is divided into groups
Вопрос 69

How sample method is differ from census method on the basis of cost?

  1. Sample method enssures the correctness of the data
  2. Census is less time consuming
  3. It is less expensive
  4. It is suitable when universe comprises of homogeneous nature
Вопрос 70Ответ открыт бесплатно

In ____ information is recorded by the informants themselves whereas in ____ information as supplied by the informants is recorded by the enumerators.

  1. Questionnaire and direct investigation
  2. schedule and Questionnaire
  3. Question and scale
  4. Questionnaire and schedule✓ Правильный ответ
✓ Правильный ответ

Questionnaire and schedule

Вопрос 71

A t-test is a significance test that assesses

  1. The means of two independent groups
  2. The medians of two dependent groups
  3. The modes of two independent variables
  4. The standard deviation of three independent variables
Вопрос 72

To use a t-test, the dependent variable must have

  1. Nominal or interval data
  2. Ordinal or ratio data
  3. Interval or ratio data
  4. Ordinal or interval data
Вопрос 73Ответ открыт бесплатно

Statistical significance or the probability of finding statistical significance is also known as

  1. Degrees of freedom (df)
  2. p-value✓ Правильный ответ
  3. Standard deviation (sd)
  4. A constant source of frustration!
✓ Правильный ответ

p-value

Вопрос 74

T-tests and other significance tests are frequently criticized. Over-representation of statistical significance in research may result in:

  1. Publication bias
  2. Researcher fatigue
  3. Lost funding
  4. Confused graduate students
Вопрос 75

Which of the following is not a type of t-tests

  1. One-sample t-tests
  2. Null Hypothesis t-tests
  3. Independent sample t-tests
  4. Paired samples t-tests
Вопрос 76Ответ открыт бесплатно

Into how many types, we can classy measures of dispersion?

  1. 3
  2. 4
  3. 5✓ Правильный ответ
  4. 6
✓ Правильный ответ

5

Вопрос 77

This is the mode value for data set: 0,3,4,5,7,7,7,7,7,8,10,10

  1. 7
  2. 8
  3. 10
  4. 3
Вопрос 78

Which of these is not a type of T-test?

  1. One sample t-test.
  2. Independent two-sample t-test.
  3. Paired sample t-test.
  4. Chi Square
Вопрос 79

Which of the following is an assumption underlying the use of the t-distributions?

  1. The variance of the population is known
  2. The samples are drawn from a normally distributed population
  3. s (sample standard deviation) is an unbiased estimate of the population variance.
  4. Calculations based on many actual repetitions of the same experiment
Вопрос 80Ответ открыт бесплатно

Analysis of Variance (ANOVA) is a test for equality of

  1. Variances
  2. Means✓ Правильный ответ
  3. Proportions
  4. Only two Parameters
✓ Правильный ответ

Means

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