Suppose That the Following Is to Be Tested $\mathrm { H } _ { 0 } : \mathrm { p } = 0.72$

question 37

Multiple Choice

Suppose that the following is to be tested: $\mathrm { H } _ { 0 } : \mathrm { p } = 0.72$ and $\mathrm { H } _ { \mathrm { a } } : \mathrm { p } \neq 0.72$ . Calculate the observed z-statistic for the following sample data: Sixty-eight out of ninety test subjects have the characteristic of interest. Round to the nearest thousandth.

• A) \(z = 0.751\)
• B) \(z = 0.756\)
• C) \(z = - 0.751\)
• D) \(\mathrm { z } = 0.453\)

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Definitions:

Decreases

A term indicating a reduction or decline in value, quantity, or extent.

Correlation Coefficients

Statistical measures that indicate the strength and direction of the relationship between two or more variables.

Phi Coefficient

A metric indicating the strength and direction of the relationship between two dichotomous variables, with values spanning from -1 to 1.

Partial Correlation

A measure of the relationship between two variables, controlling for the effect of one or more other variables.