Given the Linear Correlation Coefficient $r$ And the Sample Size $n$ , Determine the Critical Values Of

question 19

Multiple Choice

Given the linear correlation coefficient $r$ and the sample size $n$ , determine the critical values of $r$ and use your finding to state whether or not the given $r$ represents a significant linear correlation. Use a significance level of $0.05$ .
$r = - 0.816 , n = 5$

• A) Critical values: \(r = \pm 0.878\), significant linear correlation
• B) Critical values: \(r = \pm 0.878\), no significant linear correlation
• C) Critical values: \(r = 0.950\), significant linear correlation
• D) Critical values: \(r = \pm 0.950\), no significant linear correlation

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Definitions:

Utility

In economics, utility refers to the satisfaction or pleasure derived from consuming goods or services.

Marginal Utility

The additional satisfaction or utility a consumer gains from consuming one more unit of a good or service.

Marginal Utility

is the additional satisfaction or benefit a consumer derives from consuming one more unit of a good or service.

Total Utility

The total satisfaction or benefit a person derives from consuming a certain quantity of goods or services.