10.10 Wayne Gretzky In Exercise 2.35 (EX0235), the number of goals scored by Wayne Gretzky were recorded for seasons 1978-1999.

a. Construct a stem and leaf plot of the n = 21 observations. Based on this plot, is it reasonable to assume that the underlying population is approximately normal, as required for the one-sample test? Explain.

b. Calculate the mean and standard deviation for Wayne Gretzky's goals scored.

c. Construct a 95% confidence interval to estimate the goals scored for Wayne Gretzky.

Transcribed Image Text:

46 51 55 92 71 87 73 52 62 40 54 40 41 31 16 38 11 23 93 25 23 9