2.35 Wayne Gretzky The number of goals scored by Wayne Gretzky was recorded for seasons 1978-1999.

a. Draw a stem and leaf plot to describe the data.

b. Calculate the mean and standard deviation for the data.

c. What proportion of the measurements lie within two standard deviations of the mean?

Transcribed Image Text:

46 51 55 73 52 62 62 41 31 16 25 23 9 92 92 71 87 40 54 242 40 38 11 23 38