Formulating null and alternative hypotheses 1 The manager of an automobile dealership is considering a new bonus plan designed to increase sales volume Currently, the mean sales volume is 14 automobiles per month The manager wants to conduct a research study to see whether the new bonus plan increases sales volume To collect data on the plan, a sample of sales personnel will be allowed to sell under the new bonus plan for a one month period Formulate the null hypothesis and the appropriate alternative hypothesis for this research Comments on the conclusion when H 0 cannot be rejected Comment on the conclusion when H 0 can be rejected 2 Because of high production changeover time and costs, a manager of a manufacturing firm must convince the owner that a proposed manufacturing method reduces costs before the new method can be implemented The current production method operates with a mean cost of Php2,200 00 per hour A research study will measure the cost of the new method over a sample production period a Formulate the null hypothesis and the appropriate alternative hypothesis for this research b Comments on the conclusion when H 0 cannot be rejected c Comment on the conclusion when H 0 can be rejected

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Formulating null and alternative hypotheses 1. The manager of an automobile dealership is considering a new bonus plan designed to increase sales volume. Currently, the

Formulating null and alternative hypotheses

1.The manager of an automobile dealership is considering a new bonus plan designed to increase sales volume. Currently, the mean sales volume is 14 automobiles per month. The manager wants to conduct a research study to see whether the new bonus plan increases sales volume. To collect data on the plan, a sample of sales personnel will be allowed to sell under the new bonus plan for a one-month period.

Formulate the null hypothesis and the appropriate alternative hypothesis for this research.
Comments on the conclusion when H₀cannot be rejected.
Comment on the conclusion when H₀can be rejected.

2. Because of high production-changeover time and costs, a manager of a manufacturing firm must convince the owner that a proposed manufacturing method reduces costs before the new method can be implemented. The current production method operates with a mean cost of Php2,200.00 per hour. A research study will measure the cost of the new method over a sample production period. a. Formulate the null hypothesis and the appropriate alternative hypothesis for this research. b. Comments on the conclusion when H₀cannot be rejected. c. Comment on the conclusion when H₀can be rejected.