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Describe the shape and modality of the histogram

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A survey conducted in a college intro stats class asked students about the number of credit hours they were taking that semester. The number of credit hours for a random sample of 16 students is given in the table.

Round your answers to 1 decimal place.

10 10 12 14 15 15 15 15 17 17 19 20 20 20 20 22

a. Draw a histogram of these data by hand. Be sure to include your scale and labels.

b. Describe the shape and modality of the histogram.

c. Find the mean and standard deviation for the number of credit hours.

d. Find the median and IQR for the number of credit hours.

e. Is it more appropriate to use the mean and standard deviation or the median and IQR to summarize these data? Explain.

Reference no: EM132950561

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