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(a) Find the sample mean. x= (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. << (Round to the nearest integer as needed.)

(a) Find the sample mean. x= (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. << (Round to the nearest integer as needed.)

MATLAB: An Introduction with Applications
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
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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. 100,561 81,263 78,163 67,426 51,544 67,439 93,740 65,540 79,715 73,848 44,533 87,083 60,731 58,158 54,746 78,092 47,917 98,541 80,447 92,562 63,580 74,563 50,617 60,945 91,477 84,646 80,292 64,250 74,224 57,091 47,258 89,861 75,661 61,334 81,990 (a) Find the sample mean. x=(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. <H< (Round to the nearest integer as needed.)
Transcribed Image Text: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. 100,561 81,263 78,163 67,426 51,544 67,439 93,740 65,540 79,715 73,848 44,533 87,083 60,731 58,158 54,746 78,092 47,917 98,541 80,447 92,562 63,580 74,563 50,617 60,945 91,477 84,646 80,292 64,250 74,224 57,091 47,258 89,861 75,661 61,334 81,990 (a) Find the sample mean. x=(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. <H< (Round to the nearest integer as needed.)
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