Question

1. What parameter would we put into our hypotheses if we are working with the Smk variable?

Alpha, mu, P, sigma

2. We want to determine if the true proportion of students who consume caffeine is not equal to 35%. We can use a confidence interval to determine this.

True/False

3.A single sample z-test can be used on averages if the sample size is "large enough"

True/ False

4. What parameter would we put into our hypotheses if we are working with the Age variable?

alpha, mu, P, sigma

5. A single sample t-test can be used on proportions if the sample size is not "large enough"

True/ False

6. What type of test would we run on the Pr variable?

		Single sample t-test
		Single sample z-test

7. We want to determine if the true average hours worked a week is greater than 45. Which are the correct hypotheses?

		Ho: P = 45; Ha: P≠ 45
		Ho: μ = 45; Ha: μ > 45
		Ho: x ≤ 45; Ha: x > 45
		Ho: μ ≤ 45; Ha: μ > 45

  

8. What parameter would we put into our hypotheses if we are working with the Starting_Sal variable?

		α
		μ
		P
		σ

9. We want to determine if the true average pulse rate is greater than 89 bpm. Which are the correct hypotheses?

		Ho: P = 89; Ha: P≠ 89
		Ho: μ = 89; Ha: μ > 89
		Ho: x ≤ 89; Ha: x > 89
		Ho: μ ≤ 89; Ha: μ > 89

10. What type of test would we run on the HRs.per.week variable?

		Single sample t-test
		Single sample z-tes

Answer 1