Question:

In regression, the equation that describes how the response variable (y) is related to theexplanatory variable (x) is:

A.

the correlation model

B.

the regression model

C.

used to compute the correlation coefficient

D.

none of these alternatives is correct

Answer» b. the regression model

Question:

Which one of the following index numbers is based on Geometric Mean ?

A.

lasperyres index number

B.

fischer’s index number

C.

paasches index number

D.

bowley’s index number

Answer» b. fischer’s index number

Question:

The measure which is not used for mortality is

A.

crude death rate

B.

age specific death rate

C.

standardised death rate

D.

crude birth rate

Answer» d. crude birth rate

Question:

Consumer price index number indicates

A.

the general price level

B.

the wholesale price level

C.

export price

D.

all of these

Answer» a. the general price level

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