Answer the following questions with “it increases,” “it decreases,” “it stays th

Question

Answer the following questions with “it increases,” “it decreases,” “it stays the same,” or “not enough information to answer.” Assume any factors in the situation not mentioned in the problem remain the same.

l. As degrees of freedom increase in a single sample t test, what happens to power?

m. As tobt increases, what happens to t crit?

n. As r obt increases, what happens to the likelihood of rejecting H0 that = 0?

o. As N decreases and alpha decreases in value, what happens to r crit?

p. What happens to the width of a confidence interval when you go from having computed a 99% to computing a 95% confidence interval?

Explanation / Answer

l. As degrees of freedom increase in a single sample t test, what happens to power?

it stays the same

m. As tobt increases, what happens to t crit?

it stays the same

n. As r obt increases, what happens to the likelihood of rejecting H0 that = 0?

it decreases

o. As N decreases and alpha decreases in value, what happens to r crit?

it increases

p. What happens to the width of a confidence interval when you go from having computed a 99% to computing a 95% confidence interval?

it decreases

Related Questions

Navigate

• Browse (All)
• Browse A
• Subjects

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