Exhibit 11-3

question 25

Multiple Choice

Exhibit 11-3.The following are the competing hypotheses and the relevant summary statistics. Sample 1: n₁ = 10 Sample 2: n₂ = 9
Refer to Exhibit 11-3.The p-value associated with the value of the test statistic is 0.3692.At the 5% significance level,which of the following conclusions is correct?

• A)We reject the null hypothesis and conclude that the variances differ.
• B)We do not reject the null hypothesis and conclude that the variances differ.
• C)We reject the null hypothesis and cannot conclude that the variances differ.
• D)We do not reject the null hypothesis and cannot conclude that the variances differ.

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Definitions:

Experiment Design

The planning of an experiment to ensure it adequately addresses the research question, including the selection of variables, participants, and methods of data collection and analysis.

Cross-sectional

A type of observational study that analyzes data collected from a population, or a representative subset, at a specific point in time.

Panel

A group of the same individuals retained to answer questions over time.

Cohort

A group of people defined most typically by having an event in common.