Using a Significance Level of 0 A)related
B)not Related

question 20

Multiple Choice

Using a significance level of 0.05, test the claim that the two variables are independent. State whether the variables are related or not related.
-A medical researcher is interested in determining if there is a relationship between adults over 50 who walk regularly and low, moderate, and high blood pressure. A random sample of 236 adults over 50 is selected and the results are given below. $$\begin{array} { l | c c c } \text { Blood Pressure } & \text { Low } & \text { Moderate } & \text { High } \\\hline \text { Walkers } & 50 & 62 & 25 \\\text { Non-walkers } & 21 & 65 & 28\end{array}$$

• A)related
• B)not related

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Definitions:

Internal Consistency

A measure of reliability; the degree to which different test items that propose to measure the same general construct produce similar results.

Odd-even Reliability

A measure of internal consistency reliability where a test is split into two parts (odd and even items) to assess the consistency of results across these halves.

Parallel Form Reliability

The consistency of test scores across different versions of a test designed to be equivalent in terms of content and difficulty level.

Parallel Form Reliability

Refers to the extent to which two versions of a test yield similar results, assessing the same skills or constructs under similar conditions.