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Author Question: A hypothesis testing situation is given. The population standard deviation, sample size, and ... (Read 53 times)

joblessjake

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on: Apr 7, 2020
A hypothesis testing situation is given. The population standard deviation, sample size, and significance level are given.  Complete the table to give the probability of a Type II error and the power for each of the given values of μ. Use the table to draw the power curve.

A hypothesis test is to be performed to determine whether the mean waiting time during peak hours for customers in a grocery store has increased from the previous mean waiting time of Preliminary data analyses indicate that it is reasonable to apply a The hypotheses are
H0: μ = 8.3 minutes
Ha: μ > 8.3 minutes.
The population standard deviation is 3.6 minutes. The sample size is 45. The significance level is 0.05. Find the probability of a Type II error and the power for μ = 8.4, 8.6, 8.8, 9.0, 9.2, 9.4, 9.6, 9.8, 10.0, 10.2.


True mean           P(Type II error) Power
    μ β           1 - β
      8.4
      8.6
      8.8
      9.0
      9.2
      9.4
      9.6
      9.8
     10.0
     10.2

                        Power  Curve

Introductory Statistics ¦ Weiss ¦ 10th Edition
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Marked as best answer by joblessjake on Apr 7, 2020

Mholman93

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Reply #1 on: Apr 7, 2020
Lorsum iprem. Lorsus sur ipci. Lorsem sur iprem. Lorsum sur ipdi, lorsem sur ipci. Lorsum sur iprium, valum sur ipci et, vala sur ipci. Lorsem sur ipci, lorsa sur iprem. Valus sur ipdi. Lorsus sur iprium nunc, valem sur iprium. Valem sur ipdi. Lorsa sur iprium. Lorsum sur iprium. Valem sur ipdi. Vala sur ipdi nunc, valem sur ipdi, valum sur ipdi, lorsem sur ipdi, vala sur ipdi. Valem sur iprem nunc, lorsa sur iprium. Valum sur ipdi et, lorsus sur ipci. Valem sur iprem. Valem sur ipci. Lorsa sur iprium. Lorsem sur ipci, valus sur iprem. Lorsem sur iprem nunc, valus sur iprium.
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joblessjake

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Reply 2 on: Apr 7, 2020
Excellent

yeungji

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Reply 3 on: Yesterday
Great answer, keep it coming :)

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