If everyone paid taxes equal to 10 percent of their total annual income, the val

Question

If everyone paid taxes equal to 10 percent of their total annual income, the value of correlation coefficient for income and taxes would be nearest to

A. 0.00

B. –1.00

C. 1.00

D. None of the above

The New Jersey Department of Transportation (NJDOT) believes that there are differences of opinion among the officials of different counties about expansion of public transportation in the state. Therefore, NJDOT has decided to take a sample of the officials for interview, and has planned to select a random sample of officials from each county in New Jersey. This is an example of a

A. Simple random sample

B. Cluster sample

C. Stratified random sample

D. Systematic sample

E. Convenience sample

A. 0.00

B. –1.00

C. 1.00

D. None of the above

The New Jersey Department of Transportation (NJDOT) believes that there are differences of opinion among the officials of different counties about expansion of public transportation in the state. Therefore, NJDOT has decided to take a sample of the officials for interview, and has planned to select a random sample of officials from each county in New Jersey. This is an example of a

A. Simple random sample

B. Cluster sample

C. Stratified random sample

D. Systematic sample

E. Convenience sample

Explanation / Answer

The correlation is 1

It income tax = 0.03Annual income.

There is perfect relation . It is straight line and hence correlation is 1

Cluster sampling .Each county is cluster

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