We Are Interested in Determining Whether or Not the Variances

question 14

Essay

We are interested in determining whether or not the variances of the sales at two small grocery stores are equal. A sample of 16 days of sales at each store indicated the following: $\begin{array} { l l } \text { Store A } & \text { Store B } \\n _ { 1 } = 16 & n _ { 2 } = 16 \\s _ { 1 } = \$ 125 & s _ { 2 } = \$ 105\end{array}$ Are the variances of the populations (from which these samples came) equal?
Use α = .05.

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