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, 611100,611	81, 24081,240	78, 21178,211	67, 66467,664	51, 36751,367	67, 49267,492	94, 55194,551	66, 16766,167
78, 57278,572	74, 12274,122	44, 91344,913	86, 10186,101	60, 48260,482	57, 63657,636	54, 62354,623	77, 76277,762
47, 35947,359	99, 38099,380	80, 53480,534	92, 33592,335	63, 25263,252	75, 05675,056	50, 83450,834	60, 67160,671
91, 32691,326	83, 46883,468	79, 30779,307	64, 38264,382	74, 60874,608	57, 27757,277	46, 92746,927	90, 00890,008
75, 12475,124	62, 11662,116	82, 18182,181

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Part 1

(a) Find the sample mean.

x overbar equals=enter your response here

(Type an integer or decimal rounded to two decimal places as needed.)

Part 2

(b) Find the sample standard deviation.

s equals=enter your response here

(Type an integer or decimal rounded to two decimal places as needed.)

Part 3

(c) Construct a 98% confidence interval for the population mean.

enter your response here less than mu less than<

(Round to the nearest integer as needed.)