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Exhibit 12

Question 38

Multiple Choice

Exhibit 12.7 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. Exhibit 12.7 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. Refer to Exhibit 12.7.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 Refer to Exhibit 12.7.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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