Create a split stem-and-leaf plot 25 of the heights are

Reference no: EM13601805

1. A severe drought affected several western states for 3 years. A Christmas tree farmer is worried about the drought's effect on size of his trees. To decide whether the growth of the rees has been retarded, the farmer takes a sample of the heights of 15 trees and obtains the following results ( in inches) : 60, 57, 62 69 46, 54,64, 60, 58, 75, 51, 49, 67, 65, 44

a) Create a split stem-and-leaf plot.

b) 25% of the heights are above what value?

c) Calculate the mean and standard deviation for the data

2. The distribution of the playoffs at a racetrack has a mean of $5.85 and a median of $3.40. We can conclude :

a) More than half the winners get less than a $3.40 payoff

b) More than half the winners get lessnthan $5.85 paoff

c) The distribution of payoffs is symmetric

d) The distribution of payoffs is left-skewed

Reference no: EM13601805

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