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

question 65

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 goodness-of-fit test for normality, the null and alternative hypothesis are ________.

• A) H₀: Heights follow a normal distribution with mean 166.55 and standard deviation 12.46, H_A: Heights do not follow a normal distribution with mean 166.55 and standard deviation 12.46
• B) H₀: Heights do not follow a normal distribution with mean 166.55 and standard deviation 12.46, H_A: Heights follow a normal distribution with mean 166.55 and standard deviation 12.46
• C) H₀: Heights follow a normal distribution with mean 166.55 and standard deviation 12.57, H_A: Heights do not follow a normal distribution with mean 166.55 and standard deviation 12.57
• D) H₀: Heights do not follow a normal distribution with mean 166.55 and standard deviation 12.57, H_A: Heights follow a normal distribution with mean 166.55 and standard deviation 12.57

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