math statistics

1.) Giving the following frequency table Class Frequency 32-39 12 40-47 13 48-55 30 56-63 33 64-71 25 72-79 7 80-87 5 What is the class width? Fill in the table in order to draw a Frequency Histogram the graph below label the axis. Would you say the histogram is: (circle the correct answer) Skewed to the left Normal Skewed to the right Find the mean and the standard deviation for the frequency table above. Show all of your work for credit