C. a. b. 2 9. A hypothesis test with a sample of n 25 participants produces a t

Question

C. a. b. 2 9. A hypothesis test with a sample of n 25 participants produces a t statistic of t+2.53. Assuming a one-tailed test with the critical region in the right-hand tail, what is the correct decision? a. The researcher can reject the null hypothesis with ? .05 but not with ? .01 b. The researcher can reject the null hypothesis with either ? .05 or ? = .01 c. The researcher must fail to reject the null hypothesis with either o-.05 or o-.01 It is impossible to make a decision about Ho without more information A researcher conducts a hypothesis test using a sample from an unknown population. 35, how many individuals were in the sample? a. n 34 d. 10. If the t statistic has df d. It cannot be determined from the information given.

Explanation / Answer

10)

For a 1-sample t-test, one degree of freedom is spent estimating the mean, and the remaining n - 1degrees of freedom estimate variability. ... As the sample size (n) increases, the number of degrees of freedom increases, and the t-distribution approaches a normal distribution.

So,

Individuals = 35 + 1 = 36

We are allowed to do only 1 question at a time. Please post again for other questions.

Related Questions

Navigate

• Browse (All)
• Browse C
• Subjects

---

---

Integrity-first tutoring: explanations and feedback only — we do not complete graded work. Learn more.