A medical researcher wants to compare the pulse rates of smokers and non-smokers. He believes that...

70.2K

Verified Solution

Question

Basic Math

A medical researcher wants to compare the pulse rates of smokersand non-smokers. He believes that the pulse rate for smokers andnon-smokers is different and wants to test this claim at the 0.02level of significance. A sample of 46 smokers has a mean pulse rateof 75, and a sample of 47 non-smokers has a mean pulse rate of 73.The population standard deviation of the pulse rates is known to be7 for smokers and 10 for non-smokers. Let ?1 be the true mean pulserate for smokers and ?2 be the true mean pulse rate fornon-smokers. Step 1 of 4: State the null and alternative hypothesesfor the test. Step 2 of 4: Compute the value of the test statistic.Round your answer to two decimal places. Step 3 of 4: Determine thedecision rule for rejecting the null hypothesis H0. Round thenumerical portion of your answer to two decimal places. Step 4 of4: Make the decision for the hypothesis test.

Answer & Explanation Solved by verified expert

4.0 Ratings (718 Votes)

the true mean pulse rate for smokers the true mean pulse rate for nonsmokersSample 1 Smokers A sample of 46 smokers has a mean pulserate of 75Sample 2 Non Smokers A sample of 47 nonsmokers has a meanpulse rate of 73The population standard deviation of the pulse rates for smokers 7The population standard deviation of the pulse See Answer

Get Answers to Unlimited Questions

Join us to gain access to millions of questions and expert answers. Enjoy exclusive benefits tailored just for you!

Membership Benefits:

Unlimited Question Access with detailed Answers
Zin AI - 3 Million Words
10 Dall-E 3 Images
20 Plot Generations
Conversation with Dialogue Memory
No Ads, Ever!
Access to Our Best AI Platform: Flex AI - Your personal assistant for all your inquiries!

Become a Member