Without Wait Tracking System 24 67 17 20 31 44 12 23 16 37 W

Without Wait-
Tracking System
24                           
67                           
17                           
20                       
31      
44     
12                          
23
16                      
37                          

With Wait-Tracking
System

31

11

14

18

12

37

9

13

12

15

(a)   Considering only offices without a wait tracking system, what is the z-score for the tenth patient in the sample (wait time = 37 minutes)?
If required, round your answers to two decimal places.
z-score =

(b)   Considering only offices with a wait tracking system, what is the z-score for the sixth patient in the sample (wait time = 37 minutes)?
If required, round your answers to two decimal places.
z-score =

Solution