BuyFind

STATISTICS F/BUSINESS+ECONOMICS-TE...

13th Edition
Anderson
Publisher: CENGAGE L
ISBN: 9781305881884
BuyFind

STATISTICS F/BUSINESS+ECONOMICS-TE...

13th Edition
Anderson
Publisher: CENGAGE L
ISBN: 9781305881884

Solutions

Chapter 3, Problem 64SE

a.

To determine

Find the mean and median of patient wait times for offices with a wait-tracking system.

Find the mean and median of patient wait times for offices without a wait-tracking system.

b.

To determine

Find the variance and standard deviation of patient wait times for offices with a wait-tracking system.

Find the variance and standard deviation of patient wait times for visits to offices without a wait-tracking system.

c.

To determine

Explain whether offices with a wait-tracking system have shorter patient wait times than offices without a wait-tracking system.

d.

To determine

Find the z-score for the tenth patient in the sample by considering only offices without a wait-tracking system.

e.

To determine

Find the z-score for the sixth patient in the sample by considering only offices with a wait-tracking system and compare this z-score with the z-score calculated in part (d).

f.

To determine

Check whether the data for offices without a wait-tracking system contain any outliers based on z-scores.

Check whether the data for offices with a wait-tracking system contain any outliers based on z-scores.

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