count 16 mean 99.850 sample variance 4.627 sample standard deviation 2.151 minim

Question

count

16

mean

99.850

sample variance

4.627

sample standard deviation

2.151

minimum

96.9

maximum

104

range

7.1

population variance

4.338

population standard deviation

2.083

standard error of the mean

0.538

tolerance interval 95.45% lower

95.548

tolerance interval 95.45% upper

104.152

   half-width

4.302

1st quartile

98.850

median

99.200

3rd quartile

100.550

interquartile range

1.700

mode

103.000

count

16

mean

99.850

sample variance

4.627

sample standard deviation

2.151

minimum

96.9

maximum

104

range

7.1

population variance

4.338

population standard deviation

2.083

standard error of the mean

0.538

tolerance interval 95.45% lower

95.548

tolerance interval 95.45% upper

104.152

   half-width

4.302

1st quartile

98.850

median

99.200

3rd quartile

100.550

interquartile range

1.700

mode

103.000

Explanation / Answer

Interpretation: Given that the Tesla's requirement is that the 95% of theaxles are 100±2=(98, 102). The tolerance interval 95.45% lower is 95.548 and thetolerance interval 95.45% upper is 104.152. Since Tesla's requirement is in between the tolerance intervaland from the five number summary, the Tesla should select thevedor.

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