Describe the center and spread of the number of books read by students in Ms. Vieth’s class using either the mean and standard deviation or the five-number summary. justify your choice using the histogram. round to the nearest tenth if necessary.
a. the distribution is symmetric, so use the mean and standard deviation. mean: 6.2, standard deviation: 2.7
b. the distribution is skewed, so use the five-number summary. range: 9, median: 5.5, half of the data are between 4 and 7.5