Solutions Statistics

The table below compares the levels of carboxyhemoglobin for a group of non-smokers and smokers. It

Question: The table below compares the levels of carboxyhemoglobin for a group of non-smokers and smokers. It is believed that the mean carboxyhemoglobin level of the smokers must be higher than the mean level of the nonsmokers.

Sample Size Group Carboxyhemoglobin
121 Non-Smokers \[\bar{X}=1.3,\,\,s=1.3\]
75 Smokers \[\bar{X}=4.1,\,\,s=2.0\]

• What is the research hypothesis?

• What are the null and alternative hypotheses of the associated statistical test?

• What is the rejection region if alpha =.05.

• Compute the appropriate test statistic

• What is your conclusion in terms of the problem?

• State the possible error in terms of the problem.

Price: $2.99
See Solution: The answer consists of 2 pages
Deliverable: Word Document


∴ Other downloads you may be interested in ∴

log in to your account

Forgot password?
Don't have a membership account?
REGISTER

reset password

Back to
log in

sign up

Back to
log in