Use the P-Value Method to Test the Claim That the Population

question 77

Essay

Use the P-value method to test the claim that the population standard deviation of the systolic blood pressures of adults aged 40-50 is equal to $22 \mathrm { mmHg }$ . The sample statistics are as follows: $\mathrm { n } = 23 , \overline { \mathrm { x } } = 132.3 \mathrm { mmHg } , \mathrm { s } = 26.9 \mathrm { mmHg }$ . Be sure to state the hypotheses, the value of this test statistic, the P-value, and your conclusion. Use a significance level of $0.05$ .

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Definitions:

Osmole

A unit of measurement for the number of particles that contribute to the osmotic pressure of a solution.

Solute

A substance dissolved in another substance, typically the component of a solution present in the lesser amount.

Normal Blood pH

The typical pH range of human blood, which is tightly regulated to stay between 7.35 and 7.45.

Blood pH

The measure of acidity or alkalinity of the blood, normally maintained within a tightly regulated range of about 7.35 to 7.45.