Instruction 12 -Referring to Instruction 12

question 196

Short Answer

Instruction 12.28
The managers of a brokerage firm are interested in finding out if the number of new customers a broker brings into the firm affects the sales generated by the broker. They sample 12 brokers and determine the number of new customers they have enrolled in the last year and their sales amounts in thousands of dollars. These data are presented in the table that follows.
$$\begin{array} { | l | l | l | } \hline \text { Broker } & \text { Clients } & \text { 5les } \\\hline 1 & 27 & 52 \\\hline 2 & 11 & 37 \\\hline 3 & 42 & 64 \\\hline 4 & 33 & 55 \\\hline 5 & 15 & 29 \\\hline 6 & 15 & 34 \\\hline 7 & 25 & 58 \\\hline 8 & 36 & 59 \\\hline 9 & 28 & 44 \\\hline 10 & 30 & 48 \\\hline 11 & 17 & 31 \\\hline 12 & 22 & 38 \\\hline\end{array}$$
-Referring to Instruction 12.28,the managers of the brokerage firm wanted to test the hypothesis that the true slope was equal to 0.At a level of significance of 0.01,the decision that should be made implies that____________ (there is or there is no)linear dependent relation between the independent and dependent variables.

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Definitions:

High-Low Method

A technique used in managerial accounting to estimate variable and fixed costs based on the highest and lowest levels of activity.

Contribution Margin Ratio

A calculation that shows a company's ability to cover its variable costs with its sales revenue, often expressed as a percentage.

Unit Variable Cost

The cost associated with producing additional units which may include materials, labor, and other variable costs.