A company wished to study the effectiveness of a coffee break on productivity of its workers. The productiveness of nine randomly selected workers were measures on a day with no coffee break and a later on a day when the workers were given 10 minute coffee break. The scores measuring productivity are given below
Without break
|
23
|
35
|
29
|
33
|
43
|
32
|
41
|
38
|
40
|
With break
|
28
|
38
|
29
|
37
|
42
|
30
|
43
|
37
|
39
|