Question: A Dr. believes that the average time she spends with a patient at her clinic for an appointment is 9 minutes with an average standard

A Dr. believes that the average time she spends with a patient at her clinic for an appointment is 9 minutes with an average standard deviation of 1 minute.In order to test if the average time spent with a patient is 9 minutes, a random sample of 85 patient appointment times are recorded over the past month, and a mean appointment time was 9.6 minutes with a standard deviation of 1.3 minutes.

Test the hypothesis that the mean appointment time is equal to or less than 9 minutes at the 0.05 level of significance.

H₀: 9 minutes

H₁: > 9 minutes

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