TABLE 11-3 As Part of an Evaluation Program, a Sporting Goods Retailer

question 26

Multiple Choice

TABLE 11-3
As part of an evaluation program, a sporting goods retailer wanted to compare the downhill coasting speeds of 4 brands of bicycles. She took 3 of each brand and determined their maximum downhill speeds. The results are presented in miles per hour in the table below.
Trial Barth Tornado Reiser Shaw
1 43 37 41 43
2 46 38 45 45
3 43 39 42 46
-Referring to Table 11-3, what should be the conclusion for the Levene's test for homogeneity of variances at a 5% level of significance?

• A) There is insufficient evidence that the variances are all the same.
• B) There is sufficient evidence that the variances are all the same.
• C) There is insufficient evidence that the variances are not all the same.
• D) There is sufficient evidence that the variances are not all the same.

---

Definitions:

Arousal

A physiological and psychological state of being awake, alert, and engaged with the environment.

Permanent Weight Loss

Sustained reduction of total body weight over time through healthy lifestyle changes.

Excess Weight

Excess weight refers to carrying additional body weight from muscle, bone, fat, and/or water beyond a normative standard for age, height, and sex, often quantified in terms of body mass index (BMI).

Eating Habits

Patterns or behaviors characterizing how, when, and what individuals eat.