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.

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.3: Measures Of Spread
Problem 1GP
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due to the covid 19 many shops went online one of them is an online restaurant. it claims that the mean delivery time for food orders is less than 120 minutes with a standard deviaion of 30 minutes id there enough evidence to support this claim at 0.05 significance level if 49 orders were examined with a mean of 100 minutes

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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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