Advance statistics and quality improvement
A company of cell phones want to know if the age Is affecting the number of minute used per day. Using and alpha of 5% determine is the humidity affects the rate of production?
|
Minutes
|
Kids
|
Adolescent
|
Adult
|
Over 60
|
|
|
20
|
200
|
90
|
30
|
|
|
30
|
399
|
120
|
50
|
|
|
40
|
300
|
200
|
30
|
|
|
50
|
397
|
130
|
40
|