Instruction 12 -Referring to Instruction 12

question 85

Essay

Instruction 12.34
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:
$$\begin{array} { | l | c | } \hline \text { Customers } & \text { Sales (Thousands of Dollars) } \\\hline 907 & 11.20 \\\hline 926 & 11.05 \\\hline 713 & 8.21 \\\hline 741 & 9.21 \\\hline 780 & 9.42 \\\hline 898 & 10.08 \\\hline 510 & 6.73 \\\hline 529 & 7.02 \\\hline 460 & 6.12 \\\hline 872 & 9.52 \\\hline 650 & 7.53 \\\hline 603 & 7.25 \\\hline\end{array}$$
-Referring to Instruction 12.34,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:

Liabilities

Financial obligations or debts that a company owes, which it must pay back in the future.

Assets

Resources owned by a business or individual that have economic value.

Statement of Cash Flows

A financial report that summarizes the amount of cash and cash equivalents entering and leaving a company, categorized into operating, investing, and financing activities.

Financing Activities

These are transactions and events that relate to how a company finances its operations, including issuing equity, obtaining loans, or paying dividends.