Answered: A local emergency room is investigating…

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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Question

A local emergency room is investigating whether the number of patients who arrive at the emergency room differs by day of the week. The day of the week that 85 randomly chosen patients checked in is shown in the table.

Do the data provide convincing evidence that the number of patients arriving in the emergency room is not equally distributed across the days of the week?

A. Since χ2 = 16.21 and the P-value = 0.0127, there is convincing evidence that the patients are more likely to come to the emergency room on Saturday.

B. Since χ2 = 16.42 and the P-value = 0.0117, there is convincing evidence that the patients in the emergency room are not equally distributed by day of the week.

C. Since χ2 = 16.21 and the P-value = 0.0127, there is convincing evidence that the patients in the emergency room are not equally distributed by day of the week.

D. Since χ2 = 16.42 and the P-value = 0.0216, there is convincing evidence that the patients in the emergency room are not equally distributed by day of the week.

E. Since χ2 = 16.21 and the P-value = 0.0233, there is convincing evidence that the patients in the emergency room are not equally distributed by day of the week.