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The mean age when smokers first start is 13 years old with a population standard deviation of 1.8 years. A researcher thinks that smoking age has significantly changed since the invention of ENDS-electronic nicotine delivery systems. A survey of smokers of this generation was done to see if the mean age has changed. The sample of 32 smokers found that their mean starting age was 12.3 years old. Do the data support the claim at the 5% significance level? What are the correct hypotheses? Hn: Select an answer v years H: Select an answer v years Based on the hypotheses, find the following: Test Statistic z = (Give answer to at least 4 decimal places) Critical Values = + (Give answer to at least 4 decimal places) Based on the above we choose to Select an answer prio) that the claim that the The correct summary would be: Select an answer mean age smokers first start is different than 13. Submit Question

The mean age when smokers first start is 13 years old with a population standard deviation of 1.8 years. A researcher thinks that smoking age has significantly changed since the invention of ENDS-electronic nicotine delivery systems. A survey of smokers of this generation was done to see if the mean age has changed. The sample of 32 smokers found that their mean starting age was 12.3 years old. Do the data support the claim at the 5% significance level? What are the correct hypotheses? Hn: Select an answer v years H: Select an answer v years Based on the hypotheses, find the following: Test Statistic z = (Give answer to at least 4 decimal places) Critical Values = + (Give answer to at least 4 decimal places) Based on the above we choose to Select an answer prio) that the claim that the The correct summary would be: Select an answer mean age smokers first start is different than 13. Submit Question

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 mean age when smokers first start is 13 years old with a population standard deviation of 1.8 years. A researcher thinks that smoking age has significantly changed since the invention of ENDS-electronic nicotine delivery systems. A survey of smokers of this generation was done to see if the mean age has changed. The sample of 32 smokers found that their mean starting age was 12.3 years old. Do the data support the claim at the 5% significance level? What are the correct hypotheses? Hn: Select an answer ♥ years H1: Select an answer ♥ years Based on the hypotheses, find the following: Test Statistic z = (Give answer to at least 4 decimal places) Critical Values = + (Give answer to at least 4 decimal places) Based on the above we choose to Select an answer prio) The correct summary would be: Select an mean age smokers first start is different than 13. nswer that the claim that the Submit Question ook rms
Transcribed Image Text:The mean age when smokers first start is 13 years old with a population standard deviation of 1.8 years. A researcher thinks that smoking age has significantly changed since the invention of ENDS-electronic nicotine delivery systems. A survey of smokers of this generation was done to see if the mean age has changed. The sample of 32 smokers found that their mean starting age was 12.3 years old. Do the data support the claim at the 5% significance level? What are the correct hypotheses? Hn: Select an answer ♥ years H1: Select an answer ♥ years Based on the hypotheses, find the following: Test Statistic z = (Give answer to at least 4 decimal places) Critical Values = + (Give answer to at least 4 decimal places) Based on the above we choose to Select an answer prio) The correct summary would be: Select an mean age smokers first start is different than 13. nswer that the claim that the Submit Question ook rms
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