Instruction 11-6
as Part of an Evaluation Program,a Sporting Goods

Instruction 11-6
As part of an evaluation program,a sporting goods retailer wanted to compare the downhill coasting speeds of four brands of bicycles.She recorded three trials of each brand and determined their maximum downhill speeds.The results are presented in kilometres per hour in the table below.
$\begin{array}{lcccc}\text { Trial } & \frac{\text { Barth }}{} & \frac{\text { Tomado }}{} & \frac{\text { Reiser }}{} & \frac{\text { Shaw }}{} \\1 & 43 & 37 & 41 & 43 \\2 & 46 & 38 & 45 & 45 \\3 & 43 & 39 & 42 & 46\end{array}$
-Referring to Instruction 11-6,what should be the conclusion for the Levene's test for homogeneity of variances at a 5% level of significance?

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