Posted: January 12th, 2015

Adult Male Height (in.) Using the sample data, answer the following questions: 72.1 71.2 1) Calcualte the following descriptive statistics using the appropriate Excel command

Adult Male Height (in.)        Using the sample data, answer the following questions:
72.1
71.2        1) Calcualte the following descriptive statistics using the appropriate Excel command
67.9
67.3        Mean
69.5        Median
68.6        Mode
68.8        Standard Deviation
69.4        Variance
73.5        Sum
67.1        Count
69.2        Minimum
75.7        Maximum
71.1
69.6
70.7
66.9        2) Determine a Bin Range and plot a frequency histogram. Describe it’s shape
71.4
62.9
69.2        3) If the height of males is normally distributed, what is the probability of finding a male taller than 75 inches?
64.9
68.2
65.2        4) If the height of males is normally distributed, what is the probability of finding a male shorter than 63 inches?
69.7
72.2
67.5        5) If the height of males is normally distributed, what is the probability of finding a male between 65  and 70 inches?
66.6
66.5
64.2        6) Calculate the standard error of the sampling distribution (assume sample standard deviation is equal to poplation standard deviation)
65.4
70.0
72.1        7) With a 95% confidence level, determine the margin of error for the population mean height in inches.
71.2
67.9
67.3        8) Construct a 95% confidence interval that the mean height of the adult male population is contained in this sample.
69.5

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