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A hospital recruiting company for doctors is conducting a study to determine whether the average...

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A hospital recruiting company for doctors is conducting a study to determine whether the average doctor s salary in thousands of dollars is significantly more than 88 thousand dollars A random sample of 28 doctors salaries in thousands of dollars is given in the table Test the hospital recruiting company s claim using a 10 level of significance Salary in thousands of dollars 96 84 92 45 92 97 85 7 89 25 86 32 86 04 88 23 89 45 90 66 94 03 95 39 93 72 104 39 80 8 86 26 88 83 93 94 94 72 98 08 101 02 82 27 88 78 87 54 94 03 82 69 84 52 89 9 Preliminary a Is it safe to assume that n 5 of all doctors earning a salary No Yes b Is n 30 No Yes c Since n 30 then determine whether the box plot of salaries contains any outliers t 80 85 90 Salary 95 There aren t outliers from the box plot 100 105

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