A hospital conducted a study of the waiting time in its -emergency room. The hospital has a main campus and three -satellite locations. Management had a business objective of reducing waiting time for emergency room cases that did not require immediate attention. To study this, a random sample of 15 emergency room cases that did not require immediate attention at each location were selected on a particular day, and the waiting times (measured from check- in to when the patient was called into the clinic area) were collected and stored in the table. a) At the 0.05 level of significance, is there evidence of a difference in the mean waiting times in the four locations? Main Satellite 1 Satellite 2 Satellite 3 120.08 30.75 75.86 54.05 81.90 61.83 37.88 38.82 78.79 26.40 68.73 36.85 63.83 53.84 51.08 32.83 79.77 72.30 50.21 52.94 47.94 53.09 58.47 34.13 79.88 27.67 86.29 69.37 48.63 52.46 62.90 78.52 55.43 10.64 44.84 55.95 64.06 53.50 64.17 49.61 64.99 37.28 50.68 66.40 53.82 34.31 47.97 76.06 62.43 66.00 60.57 11.37 65.07 8.99 58.37 83.51 81.02 29.75 30.40 39.17
A hospital conducted a study of the waiting time in its -emergency room. The hospital has a main campus and three -satellite locations. Management had a business objective of reducing waiting time for emergency room cases that did not require immediate attention. To study this, a random sample of 15 emergency room cases that did not require immediate attention at each location were selected on a particular day, and the waiting times (measured from check- in to when the patient was called into the clinic area) were collected and stored in the table. a) At the 0.05 level of significance, is there evidence of a difference in the mean waiting times in the four locations? Main Satellite 1 Satellite 2 Satellite 3 120.08 30.75 75.86 54.05 81.90 61.83 37.88 38.82 78.79 26.40 68.73 36.85 63.83 53.84 51.08 32.83 79.77 72.30 50.21 52.94 47.94 53.09 58.47 34.13 79.88 27.67 86.29 69.37 48.63 52.46 62.90 78.52 55.43 10.64 44.84 55.95 64.06 53.50 64.17 49.61 64.99 37.28 50.68 66.40 53.82 34.31 47.97 76.06 62.43 66.00 60.57 11.37 65.07 8.99 58.37 83.51 81.02 29.75 30.40 39.17
Holt Mcdougal Larson Pre-algebra: Student Edition 2012
1st Edition
ISBN:9780547587776
Author:HOLT MCDOUGAL
Publisher:HOLT MCDOUGAL
Chapter11: Data Analysis And Probability
Section11.4: Collecting Data
Problem 6E
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Question
A hospital conducted a study of the waiting time in its
-emergency
room. The hospital has a
main campus and three
-satellite
locations. Management had a business objective of reducing
waiting time for emergency room cases that did not require immediate attention. To study this, a
random sample of 15 emergency room cases that did not require immediate attention at each
location were selected on a particular day, and the waiting times (measured from check- in to
when the patient was called into the clinic area) were collected and stored in the table.
a) At the 0.05 level of significance, is there evidence of a difference in the mean waiting times in
the four locations?
Main | Satellite 1 | Satellite 2 | Satellite 3 |
120.08 | 30.75 | 75.86 | 54.05 |
81.90 | 61.83 | 37.88 | 38.82 |
78.79 | 26.40 | 68.73 | 36.85 |
63.83 | 53.84 | 51.08 | 32.83 |
79.77 | 72.30 | 50.21 | 52.94 |
47.94 | 53.09 | 58.47 | 34.13 |
79.88 | 27.67 | 86.29 | 69.37 |
48.63 | 52.46 | 62.90 | 78.52 |
55.43 | 10.64 | 44.84 | 55.95 |
64.06 | 53.50 | 64.17 | 49.61 |
64.99 | 37.28 | 50.68 | 66.40 |
53.82 | 34.31 | 47.97 | 76.06 |
62.43 | 66.00 | 60.57 | 11.37 |
65.07 | 8.99 | 58.37 | 83.51 |
81.02 | 29.75 | 30.40 | 39.17 |
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