Instruction 12 -Referring to Instruction 12

question 169

Multiple Choice

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,which is the correct null hypothesis for testing whether the number of customers who make purchases affects weekly sales?

• A) H₀: ?₁ = 0
• B) H₀: ? = 0.
• C) H₀: ?₀ = 0
• D) H₀: ? = 0

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Definitions:

Turnover Rates

The rate at which employees leave a company within a certain period, which can be an indicator of job satisfaction and organizational health.

Validity of Data

Pertains to the accuracy and credibility of data or information, ensuring it is sourced and interpreted correctly for decision-making.

Compensation Levels

Refers to the tiers or categories of payment provided to employees, often based on their role, experience, and performance, within an organization.

Wage Gap

The difference in average earnings between different groups of workers, often highlighted between genders, races, or socioeconomic statuses.