4. The students in a biology class kept a record of the height (in centimeters) of plants for a class experiment.

32 36 38 41 43 44 48 48 48 49 52 53 54 55 56 59 60 62 67 75

a. Find the mean of the plant heights.

b. Find the median and IQR of plant heights.

c. Sketch either a histogram or a box plot of the data.

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

e. Describe the distribution of plant heights