If MINITAB is used to find skewness and kurtosis values for the four variables, the following…

If MINITAB is used to find skewness and kurtosis values for the four variables, the following results are obtained by using the pull-down menu ‘‘Stat ) Basic statistics ) Display descriptive statistics.’’

Descriptive Statistics: Height, Wedage, Obitage, Cola-fill

Variable

N

N*

Mean

StDev

Skewness

Kurtosis

Height

50

0

65.120

2.911

-0.02

-0.61

Wedage

50

0

35.48

13.51

1.98

4.10

Obitage

50

0

74.20

20.70

-1.50

2.64

Cola-fill

50

0

12.056

0.284

0.02

-1.19

The skewness values for the uniform and normal distributions are seen to be near 0. The skewness measure is positive for a distribution that is skewed to the right and negative for a distribution that is skewed to the left.

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