A dentist wondered if his appointments were distributed evenly from Monday to Fridayeach week. He took a random sample of 500 appointments and recorded which day ofthe week they were booked for. His results are:DayAppointmentFrequencyMondaySearch104Chi Square Distribution TableMATuesday118Wednesday119Thursday2The dentist would like to use these results to conduct a x² goodness-of-fit test todetermine if the distribution of appointments agrees with an even distribution using a0.5% level of significance.SUBMIT QUESTION94FridaySAVE PROGRESS65SUBMIT a. Calculate the test statistic.2Round to two decimal places if necessaryb. Determine the critical value(s) for the hypothesis test.14c. Conclude whether to reject the null hypothesis or not based on the test statistic.RejectSearchSUBMIT QUESTIONSAVE PROGRESSSUBMIT ASSIGE

Given that We have to test hypothesis for the claim that the appointments distributed evenly from…

Answered: A dentist wondered if his appointments…

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 school administrator wants to see if there is a difference in the number of students per class for the Portland Public School district (Group 1) compared to the Beaverton School district (Group 2). Let be the average number of students per class for the Portland Public School district. Let ₂ be the average number of students per class for the Beaverton School district. Assume the populations are normally distributed. A random sample of 25 Portland classes found a mean of 38 students per class with a standard deviation of 3. A random sample of 28 Beaverton classes found a mean of 35 students per class with a standard deviation of 4. a. Find a 95% confidence interval for the difference of the means. Use Excel Two Means Calculator found in the Course and round answers to 2 decimal places. <1-1₂< b. Select the correct conclusion based on the above confidence interval. Since the above confidence interval gives only negative values, we have 95% confident that the average number of students…
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