The Heights (In Cm) for a Random Sample of 60

question 18

Multiple Choice

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. For the heights subdivided into five intervals, the expected frequency of males that weigh less than 150 is ________.

• A) 5.4
• B) 12.6
• C) 18.6
• D) 8.4

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