The Sample Correlation Coefficient Between X and Y Is 0 $\rho$

question 41

Multiple Choice

The sample correlation coefficient between X and Y is 0.375.It has been found out that the p- value is 0.256 when testing H0 : $\rho$ = 0 against the two-sided alternative H1 : $\rho$ = 0 .To testH0 : $\rho$$\neq$ 0 against the one-sided alternative H1 : $\rho$ = 0 at a significance level of 0.1, the p-value is

• A)0.256/2
• B)(0.256)(2)
• C)1-0.256
• D)1-0.256/2

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Definitions:

Natural Monopoly

A market condition where a single supplier is most efficient in producing a good or service due to high initial costs and substantial economies of scale.

Marginal Cost

The augmentation in cumulative costs linked with generating an extra unit of a product or service.

Average Cost

The overall expense of manufacturing split by the quantity of units made.

Rate of Return

The increase or decrease in value of an investment throughout a determined period, shown as a percent of the investment’s initial cost.