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.

99, 90899,908	80, 88380,883	77, 66177,661	68, 02368,023	51, 91151,911	67, 87367,873	94, 77994,779	65, 89365,893
78, 75878,758	73, 54673,546	44, 85944,859	87, 04987,049	60, 90560,905	57, 39457,394	55, 01655,016	78, 25278,252
47, 61047,610	99, 41299,412	81, 36281,362	93, 09693,096	63, 73963,739	74, 88974,889	51, 05251,052	60, 57560,575
91, 69491,694	83, 86183,861	80, 24080,240	64, 08964,089	74, 59474,594	57, 22357,223	46, 56446,564	89, 41889,418
75, 05075,050	62, 07962,079	82, 95282,952

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Part 1

(a) Find the sample mean.

overbar x= ________ enter your response here

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

(b). Find the sample standard deviation.

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

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

__________ less than p less than ___________ (rounded tothe nearest integer as needed).