A certain company wants to improve sales hence improve profit. Past sales data indicate that the average sale was 100 Php per transaction. After the sales representatives have undergone training, recent sales data taken from a sample of 25 sales representatives, indicates an average sale of 130 Php, with a standard deviation of 15 Php. Did the training of the sales representatives’ work? Test your hypothesis at a 5% alpha level Use this Format 1. Formulate Ho and Ha. 2. Determine the test to be used. 3. Set the significance level. Determine the tabulated or critical value (TV) for the test.
A certain company wants to improve sales hence improve profit. Past sales data indicate that the average sale was 100 Php per transaction. After the sales representatives have undergone training, recent sales data taken from a sample of 25 sales representatives, indicates an average sale of 130 Php, with a standard deviation of 15 Php. Did the training of the sales representatives’ work? Test your hypothesis at a 5% alpha level
Use this Format
1. Formulate Ho and Ha.
2. Determine the test to be used.
3. Set the significance level. Determine the tabulated or critical value (TV) for the test.
4. Computation
5. Compare computed value (CV) with the tabulated or critical value (TV). Then, make a decision.
a. Reject Ho and Accept Ha if |CV| ≥ |TV|.
b. Accept Ho and Reject Ha if |CV| < |TV|.
6. Conclusion.
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