Instruction 12-10
the Management of a Chain Electronic Store Would

question 44

Short Answer

Instruction 12-10
The management of a chain electronic store would like to develop a model for predicting the weekly sales (in thousands of dollars)for individual stores based on the number of customers who made purchases.A random sample of 12 stores yields the following results:
$$\begin{array} { | c | c | } \hline \text { Customers } & \text { Sales (Thousands of Dollars) } \\\hline 907 & 11.20 \\\hline 926 & 11.05 \\\hline 713 & 8.21 \\\hline 741 & 9.21 \\\hline 780 & 9.42 \\\hline 698 & 10.08 \\\hline 510 & 6.73 \\\hline 529 & 7.02 \\\hline 460 & 6.12 \\\hline 872 & 9.52 \\\hline 650 & 7.53 \\\hline 603 & 7.25 \\\hline\end{array}$$
-Referring to Instruction 12-10,what are the degrees of freedom of the F test statistic when testing whether the number of customers who make purchases is a good predictor for weekly sales?

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Definitions:

Closed Shops

A workplace where only members of a union are hired and maintained, often established through labor union and employer agreements.

Union Shops

Workplaces where employees don't have to be union members to be hired, but must join the union within a certain period.

Union Members

Individuals who belong to a labor union, an organization that represents workers' interests in negotiations with employers regarding wages, working conditions, and benefits.

States

Politically organized territories with defined geographic boundaries, governed by their own governments and laws.