The following is a set of data from a sample of n=7. 13 1 5 18 7 13 2 2 (a) Compute the first quartile (Qy), the third quartile (Q3), and the interquartile range. (b) List the five-number summary. (c) Construct a boxplot and describe the shape. The following is a set of data from a sample of n=7. 13 1 5 18 7 13 2 O (a) Compute the first quartile (Q), the third quartile (Q3), and the interquartile range. (b) List the five-number summary. (c) Construct a boxplot and describe the shape.