subject
Mathematics, 11.05.2021 20:20 Tcutety

A medical researcher suspects that the pulse rate of smokers is higher than the pulse rate of non-smokers. Test the researcher’s suspicion using α = 0.01. Assume the two samples are random and independent. Smokers Nonsmokers

n1 = 100 n2 = 110

x1 = 87
x2 = 83

σ1 = 4.9 σ2 = 5.3
1What are the hypotheses?
2What type of test should be performed?

3What is the test statistic?

4What is the conclusion?

ansver
Answers: 2

Another question on Mathematics

question
Mathematics, 21.06.2019 18:30
Angela took a general public aptitude test and scored in the 88th percentile for aptitude in accounting. what percentage of the scores were at or below her score?
Answers: 2
question
Mathematics, 21.06.2019 22:30
Which of the following would be a reasonable estimate for the weight of a pencil? a. 1 × 10^-20 lb b. 1 × 10^20 lb c. 1 × 10^2 lb d. 1 × 10^-2 lb
Answers: 1
question
Mathematics, 22.06.2019 00:00
Jonathan can throw a baseball 10 1/3 yards. his brother joey can throw a baseball 13 1/2 yards. how much father can joey throw the ball?
Answers: 1
question
Mathematics, 22.06.2019 00:00
If two parallel lines are cut by a transversal, interior angles on the same side of the transversal are supplementary. a. always b. sometimes c. never
Answers: 2
You know the right answer?
A medical researcher suspects that the pulse rate of smokers is higher than the pulse rate of non-sm...
Questions
question
History, 14.12.2020 21:50
question
History, 14.12.2020 21:50
Questions on the website: 13722363