Statistics MCQS for NTS Set 1

If R_xy = – 0.84 then r_xy is

None of these

-0.84

0.42

0.84

A specific value calculated from sample is called

Bias

Estimation

Estimator

Estimate

Variance of b,b,b,b is:

Zero

4b

b

None of these

P_n/ P_n-1 100 is equal to:

Chain indices

None of these

Link relative

Price relative

A hypothesis in which all parameters are specified is called

Null hypothesis

Composite hypothesis

All

Simple hypothesis

If any value in the series is zero then it is impossible to calculate

Geometric mean

Mode

None of these

Mean

Total angle of a pie chart is

300^o

180^o

360^o

100^o

If all the values are of equal importance then index numbers are called:

Cost of living

Un-weighted

Simple

Weighted

If two regression coefficients are 0.8 and 0.2 then correlation coefficient is

-0.4

-0.16

0.16

0.4

A characteristic which varies in quality from one individual to another is called

Variable

Regression

Statistic

Attributes