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

question 74

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 is the value 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:

Unemployment Rate Decrease

A reduction in the percentage of the labor force that is unemployed and actively seeking employment.

Labor Force Size

The total number of people aged 16 and over who are either employed or actively seeking employment.

Classified Unemployed

Classified unemployed refers to individuals who are without a job and have been categorized based on certain criteria, such as duration of unemployment or their reason for unemployment.

Structural Unemployment

Unemployment because (1) the skills demanded by employers do not match those of the unemployed, or (2) the unemployed do not live where the jobs are.