# 220+ Business Statistics Solved MCQs

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201.

## The Correlation coefficient between two variables is the………………..of their regression coefficients.

A. Arithmetic mean
B. Geometric mean
C. Harmonic mean
D. None of these
202.

## The percent of the total variation of the dependent variable Y explained by the set of independent variables X is measured by:

A. Coefficient of Correlation
B. Coefficient of Skewness
C. Coefficient of Determination
D. Standard error
203.

A. -1 and +1
B. -1 and 0
C. 0 and 1
D. None
204.

## A Scatter diagram is considered for measuring

A. Linear relationship between two variables
B. Curvilinear relationship between two variables
C. Neither a or b
D. Both a and b
Answer» D. Both a and b
205.

A. +1
B. -1
C. 0
D. None of these
206.

## What is the purpose of a simple linear regression?

A. To predict scores on a dependent variable from scores on a single independent variable
B. To predict scores on an independent variable from scores on multiple dependent variables
C. To predict scores on a dependent variable from scores on multiple independent variables
D. None of Above
Answer» A. To predict scores on a dependent variable from scores on a single independent variable
207.

## If r is the simple correlation coefficient, the quantity 𝑟2 is known as ...................

A. Coefficient of determination
B. Coefficient of non-determination
C. Coefficient of alienation
D. None of these
208.

## Asimpleindexnumberis anumberthatmeasures arelativechangein ?

A. group of variable with respect to a base
B. single variable with respect to a base
C. Both A &B
D. None of theabove
Answer» B. single variable with respect to a base
209.

A. Lasperys
B. Paasches
C. Fisher
D. None of Above
210.

A. Two methods
B. Three methods
C. Four methods
D. Five methods
211.

## Fishers price index number is the -------

A. A.M. of Lasperys and Paasches.
B. G.M. of Lasperys and Paasches.
C. Difference between Lasperys and Paasches
D. None of the above.
Answer» B. G.M. of Lasperys and Paasches.
212.

## Relative Method is further divided into how many types?

A. One
B. two
C. None of the above
D. All of the Above.
213.

## In Price Index Numbers prices can either be ?

A. Retail
B. wholesale
C. Both I and II
D. None of the above.
Answer» C. Both I and II
214.

## While computing a weighted index, the current period quantities are used in the:

A. Laspeyre's method
B. Paasche's method
C. Marshall Edgeworth method
D. Fisher's ideal method
215.

A. Sample
B. Base period
C. Estimation
D. None
216.

## Wheat crops badly damaged on account of rains is:

A. Cyclical movement
B. Random movement
C. Secular trend
D. Seasonal movement
217.

## A complete business cycle consists of a period of:

A. Prosperity
B. Recession
C. Both prosperity and recession
D. none of the above
Answer» C. Both prosperity and recession
218.

## Which of the following can’t be a component for a time series plot?

A. Seasonality
B. Trend
C. Cyclical
D. Noise
E. None of the above
Answer» E. None of the above
219.

## The additive and multiplicative time series models are:

A. Y = T + S + C + I and Y = TSCI respectively
B. Y = TSCI and Y = T + S + C + I
C. none of these
D. all
Answer» A. Y = T + S + C + I and Y = TSCI respectively
220.

## Value of b in the trend line Y = a + bX is:

A. Always positive
B. Always negative
C. Both positive or negative
D. None of these
Answer» C. Both positive or negative
221.

## In a straight line equation Y = a + bX; a and b are respectively:

A. X-intercept and slope
B. Y intercept and slope
C. can't determined
D. all
Answer» B. Y intercept and slope
222.

## A time series consists of:

A. Short-term variations
B. Irregular variations
C. Long-term variations
D. All of the above
Answer» D. All of the above