22. Social Security Numbers A group of 70 students were asked to record the last digit of their social security number.

a. Draw a relative frequency histogram using the values 0 through 9 as the class midpoints.

b. What is the shape of the distribution? Based on the shape, what would be your best estimate for the mean?

c. Use the range approximation to guess the value of s.

d. Use your calculator to find the actual values of x and s. Compare with your estimates in parts a and b.

Transcribed Image Text:

1 424 4 8 06 8 477516 2874956 052 8 216 9313 6 5225273 4 0 9 0 60 amoaa71 6720614