In a two-tailed test, with n = 20, the computed value of t is found to be t* = 1.85. Assuming the sample is randomly selected from a normal population, then the p-value is given by:
A) 0.005
B) 0.01
C) 0.025
D) 0.05
2. In comparing Student’s t-distribution to the standard normal distribution, we see that Student’s t-distribution is:
A) less peaked and thinner at the tails.
B) less peaked and thicker at the tails.
C) more peaked and thinner at the tails.
D) more peaked and thicker at the tails.
3. In a two-tailed test, with n = 20, the computed value of t is found to be t* = 1.85. Assuming the sample is randomly selected from a normal population, then the p-value is given by:
A) 0.005
B) 0.01
C) 0.025
D) 0.05
4. Which of the following would be the hypothesis for testing the claim that the proportion of students at a large university who smoke is significantly different from 0.15?
A) H o: p = 1.5(), H a: p > 1.5
B) H o: p = 1.5, H a: p 1.5
C) H o: p > 1.5, H a: p = 1.5
D) H o: p < 1.5, H a: p > 1.5
5. Studies that involve paired subjects deal with
A) dating service samples.
B) independent samples.
C) dependent samples.
D) None of the above.
