One particular morning, the length of time spent in the examination rooms is recorded for each patient seen by each physician at an orthopedic clinic. Does the data prove a significant difference in mean times?
Physician 1
|
Physician 2
|
Physician 3
|
Physician 4
|
34
|
33
|
17
|
28
|
25
|
35
|
30
|
33
|
27
|
31
|
30
|
31
|
31
|
31
|
26
|
27
|
26
|
42
|
32
|
32
|
34
|
33
|
28
|
33
|
21
|
29
|
26
|
40
|