Question

The annual earnings​ (in dollars) of 35 randomly selected microbiologists are shown in the data table. Use the data to​ (a) find the sample​ mean, (b) find the sample standard​ deviation, and​ (c) construct a​ 98% confidence interval for the population mean.

100,120
78,877
47,291
91,583
75,121
80,645
73,932
98,863
84,015
61,972
77,514
44,293
81,500
80,342
82,913
67,480
86,795
93,267
63,760
51,858
60,770
63,913
73,936
67,943
57,731
75,142
56,547
94,344
55,132
50,889
46,904
65,700
77,764
60,236
89,045

Answer 1

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