The figure for this exercise is a histogram summarizing the responses given by 137 college women to a question asking how many ear pierces they have (Data source: pennstate2 dataset on the companion website).
a. Describe the shape of the dataset. Explain whether it is symmetric or skewed.
b. Are there any outliers? For any outlier, give a value for the number of ear pierces, and explain why you think the value is an outlier.
c. What number of ear pierces was the most frequently reported value? Roughly, how many women said they have this number of ear pierces?
d. Roughly, how many women said they have four ear pierces?