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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.

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section: Chapter Questions
Problem 22SGR
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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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