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. 99,703 81,031 78,405 67,481 51,619 67,382 94,615 65,764 78,744 73,903 44,727 87,061 60,816 57,706 55,063 78,903 47,674 99,131 81,529 92,636 63,916 75,068 51,159 60,584 92,061 83,582 80,038 64,102 73,771 56,919 47,096 89,273 76,021 62,198 82,858 (a) Find the sample mean x = (Type an integer or decimal rounded to two decimal places as needed.)

          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.
99,703 81,031 78,405 67,481 51,619 67,382 94,615 65,764
78,744 73,903 44,727 87,061 60,816 57,706 55,063 78,903
47,674 99,131 81,529 92,636 63,916 75,068 51,159 60,584
92,061 83,582 80,038 64,102 73,771 56,919 47,096 89,273
76,021 62,198 82,858
(a) Find the sample mean
x = (Type an integer or decimal rounded to two decimal places as needed.)

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.
99,703 81,031 78,405 67,481 51,619 67,382 94,615 65,764
78,744 73,903 44,727 87,061 60,816 57,706 55,063 78,903
47,674 99,131 81,529 92,636 63,916 75,068 51,159 60,584
92,061 83,582 80,038 64,102 73,771 56,919 47,096 89,273
76,021 62,198 82,858
(a) Find the sample mean
x = (Type an integer or decimal rounded to two decimal places as needed.)

Added by Joseph J.

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