Mathematics, 04.08.2020 21:01 Isabella1319
The following data represent salaries, in thousands of dollars, for employees of a small company. Notice the data have been sorted in increasing order.
54 55 55 57 57 59 60 65 65 65 66 68 68
69 69 70 70 70 75 75 75 75 77 82 82 82
88 89 89 91 91 97 98 98 98 280
Required:
a. Make a histogram using the class boundaries 53.5, 99.5, 145.5, 191.5, 237.5, 283.5.
b. Look at the last data value. Does it appear to be an outlier.
c. Eliminate the high salary of 280 thousand dollars. Make a new histogram using the class boundaries 53.5, 62.5, 71.5, 80.5, 89.5, 98.5.
d. Does this histogram reflect the salary distribution of most of the employees better than the histogram in part (a)?
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