Question:

Considering the various types of tables and charts you have studied, which table, chart,diagram or plot would you use to depict categorical data for two variables in a visual format

A.

bar chart

B.

pie chart

C.

scatter plot

D.

contingency table

Answer» a. bar chart

Question:

A scaling factor is used to:

A.

change a simple index to a weighted index

B.

convert the paasche index to a laspeyres index

C.

change an aggregate index to a weighted index

D.

change the base year

Answer» d. change the base year

Question:

Correlation relates the relative position of a score in one distribution to

A.

the relative position of a score in another distribution

B.

the mean of the z-scores from another distribution

C.

the total variance of all scores in both distributions

D.

the standard deviation of the z-scores for both distributions

Answer» a. the relative position of a score in another distribution

Question:

Celsius and Fahrenheit temperature scales are examples of interval levels of measurement

A.

true

B.

false

C.

neither true nor false

D.

any of the above

Answer» a. true

Question:

Econometrics model is ___________model

A.

exogenous

B.

endogenous

C.

identified

D.

either exogenous or endogenous

Answer» d. either exogenous or endogenous

Question:

A pattern in a times-series model that occurs over a duration of more than a year iscalled a ___________ variation

A.

trend

B.

seasonal

C.

cyclical

D.

regressive

Answer» c. cyclical

Question:

In perfect linear model, we assume that regression coefficient remains _________

A.

variable until some point

B.

variable through out

C.

constant to some point

D.

constant through out

Answer» d. constant through out

Question:

Which of the following would not allow you to calculate a correlation?

A.

a negative relationship between x and y

B.

a positive relationship between x and y

C.

a curvilinear relationship between x and y

D.

a linear relationship between x and y

Answer» c. a curvilinear relationship between x and y

Question:

Regression modelling is a statistical framework for developing a mathematical equationthat describes how

A.

one explanatory and one or more response variables are related

B.

several explanatory and several response variables response are related

C.

one response and one or more explanatory variables are related

D.

all of these are correct

Answer» c. one response and one or more explanatory variables are related

Question:

Which of the following definitions is the definition of the MEDIAN?

A.

the median is the value that half of the entries are below and half of the entries are above

B.

the median is the value that has the highest frequency

C.

the median is the largest value

D.

the median is the average calculated by adding up all the values and dividing by the

Answer» a. the median is the value that half of the entries are below and half of the entries are above