Instructions: Choose the number of the correct statistical procedure (test) for
ID: 3155890 • Letter: I
Question
Instructions: Choose the number of the correct statistical procedure (test) for the problem listed below. Use the information to set up the appropriate null hypothesis and give the type of the response variable. Choices of tests include:
1-sample z-test about a proportion (1)
1-sample t-test about a mean (2)
2-sample z-test about two proportions (3)
2-sample t-test about two independent means (4)
paired t-test about average difference of two means (5)
Nonparametric test about medians (6)
t-test about a slope of a regression line (7)
Chi-square test (8)
From time-to-time the National Institutes of Health (NIH) examine age and total cholesterol level (TCL) among males and females. Here are the ages and TCL's of 10 adult males:
---1-----2------3------4------5-----6------7------8-----9------10
Age---28---31----52----67----44----35----51----64----24----39
TCL--190--188--215--235--220---167--200--278--165---195
Is there a relationship between age and TCL?
Explanation / Answer
As the question is "Is there a relationship between age and TCL?", then we will run a regression test here. Thus,
t-test about a slope of a regression line (7) [ANSWER]
Here,
Ho: Beta1 = 0 [ANSWER]
where Beta1 = the true slope of the regression.
The response variable here is a slope.