The heights (in cm) for a random sample of 60 males were measured. The sample mean is 166.55, the standard deviation is 12.57, the sample kurtosis is 0.12, and the sample skewness is ?0.23. The following table shows the heights subdivided into non-overlapping intervals.ClassObservedExpected piHeight < 150100.09150 ? Height < 16060.21160 ? Height < 170180.31170 ? Height < 180170.25Height ? 18090.14Using the p-value approach and ? = 0.05, the decision and conclusion are ________.
A. reject the null hypothesis; conclude that heights are not normally distributed
B. do not reject the null hypothesis; conclude that heights are normally distributed
C. do not reject the null hypothesis; conclude that heights are not normally distributed
D. reject the null hypothesis; conclude that heights are normally distributed
Answer: A
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