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QUESTION 3 The table below shows the summary statistics for the traveled distance from home to work (in km) by 28 employees of ABC company. One-Sample Statistics Mean 14.3 Std. Deviation Std. Error Mean 0.4914 N Distance 28 a) Find the value of X. b) Construct a 90% confidence interval for the true mean traveled distance from home to work (in km) by the employees of ABC company. c) Based on the confidence interval in (b), is the mean traveled distance from home to work by the employees of ABC company different from 15 km? Give a reason to support your answer.

QUESTION 3 The table below shows the summary statistics for the traveled distance from home to work (in km) by 28 employees of ABC company. One-Sample Statistics Mean 14.3 Std. Deviation Std. Error Mean 0.4914 N Distance 28 a) Find the value of X. b) Construct a 90% confidence interval for the true mean traveled distance from home to work (in km) by the employees of ABC company. c) Based on the confidence interval in (b), is the mean traveled distance from home to work by the employees of ABC company different from 15 km? Give a reason to support your answer.

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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QUESTION 3 The table below shows the summary statistics for the traveled distance from home to work (in km) by 28 employees of ABC company. One-Sample Statistics Std. Deviation Std. Error Mean 0.4914 N Mean Distance 28 14.3 a) Find the value of X. b) Construct a 90% confidence interval for the true mean traveled distance from home to work (in km) by the employees of ABC company. c) Based on the confidence interval in (b), is the mean traveled distance from home to work by the employees of ABC company different from 15 km? Give a reason to support your answer.
Transcribed Image Text:QUESTION 3 The table below shows the summary statistics for the traveled distance from home to work (in km) by 28 employees of ABC company. One-Sample Statistics Std. Deviation Std. Error Mean 0.4914 N Mean Distance 28 14.3 a) Find the value of X. b) Construct a 90% confidence interval for the true mean traveled distance from home to work (in km) by the employees of ABC company. c) Based on the confidence interval in (b), is the mean traveled distance from home to work by the employees of ABC company different from 15 km? Give a reason to support your answer.
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