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The radiation emission from cell phones is a concern for cell phone users. WE took a sample of 10 cell phones and got the mean radiation emission is 0.51W/kg with a standard deviation of 0.21W/kg. Use a 0.05 significance level to test the claim that cell phones have a mean radiation level that is less than 1.00 W/kg. Which test should you use to test the claim? a) Z-test b) Proportion Test c) T-test O d) Standard deviation test

The radiation emission from cell phones is a concern for cell phone users. WE took a sample of 10 cell phones and got the mean radiation emission is 0.51W/kg with a standard deviation of 0.21W/kg. Use a 0.05 significance level to test the claim that cell phones have a mean radiation level that is less than 1.00 W/kg. Which test should you use to test the claim? a) Z-test b) Proportion Test c) T-test O d) Standard deviation test

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
Section10.4: Distributions Of Data
Problem 7PPS
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The radiation emission from cell phones is a concern for cell phone users. WE took a sample of 10 cell phones and got the mean radiation emission is 0.51W/kg with a standard deviation of 0.21W/kg. Use a 0.05 significance level to test the claim that cell phones have a mean radiation level that is less than 1.00 W/kg. Which test should you use to test the claim? a) Z-test b) Proportion Test c) T-test O d) Standard deviation test
Transcribed Image Text:The radiation emission from cell phones is a concern for cell phone users. WE took a sample of 10 cell phones and got the mean radiation emission is 0.51W/kg with a standard deviation of 0.21W/kg. Use a 0.05 significance level to test the claim that cell phones have a mean radiation level that is less than 1.00 W/kg. Which test should you use to test the claim? a) Z-test b) Proportion Test c) T-test O d) Standard deviation test
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