The annual earning (in dollar) of 35 randomly elected microbiologit are hown in the data table. Ue the data to (a) find the ample mean, (b) find the ample tandard deviation, and (c) contruct a 98% confidence interval for the population mean. 100,130
78,715
47,539
92,252
75,992
80,486
74,032
98,560
84,056
62,286
77,339
44,849
81,613
79,816
82,186
68,066
86,940
92,275
64,156
51,248
61,271
63,522
74,458
67,836
57,953
74,950
56,496
93,523
54,764
51,107
47,124
66,239
78,574
61,100
89,137