Jill Kindler, your top salesperson, claims that she averages more than 25 sales calls per day. From her daily log you randomly select a sample of five days with the following results:
Use this data to test a skeptical null hypothesis that Jill averages no more than 25 sales calls per day. Use a significance level of 10%. Assume that the population distribution of the number of sales calls made daily by Jill is normal.
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