Answered: A dentist wants to see if her patients…

Name: A dentist wants to see if her patients are waiting in the waiting room
Uploaded: 2024-03-20T07:07:12.000Z
Channel: Bartleby
Description: A dentist wants to see if her patients are waiting in the waiting room on average longer than 15 minutes. She takes a random sample of 75 patients and records how many minutes each person spent in the waiting room. She finds the mean waiting time is

MATLAB: An Introduction with Applications

6th Edition

ISBN:9781119256830

Author:Amos Gilat

Publisher:Amos Gilat

Chapter1: Starting With Matlab

Section: Chapter Questions

Problem 1P

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A dentist wants to see if her patients are waiting in the waiting room on average longer than 15 minutes. She takes a random sample of 75 patients and records how many minutes each person spent in the waiting room. She finds the mean waiting time is 16 minutes with a standard deviation of 3 minutes. Is this value significantly greater than 15? Use a 5% level of significance. Give each of the following to receive full credit: 1) the appropriate null and alternative hypotheses; 2) the appropriate test; 3) the decision rule; 4) the calculation of the test statistic; and 5) your conclusion including a comparison to alpha or the critical value. You MUST show your work to receive full credit. Partial credit is available.

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