Advance statistics and quality improvement

| August 30, 2017

Question
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?

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Minutes

Kids

Adolescent

Adult

Over 60

20

200

90

30

30

399

120

50

40

300

200

30

50

397

130

40

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