Mar 29 review

Mar 29 review

University

10 Qs

quiz-placeholder

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Assessment

Quiz

Science

University

Hard

Created by

Will Brooks

Used 7+ times

FREE Resource

10 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Which of the following is an appropriate alternative hypothesis for a one-tailed t-test?

μ1 > μ2

μ1 = μ2

μ1 ≠ μ2

μ1 = 12

2.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Which of the following is an appropriate alternative hypothesis for a two-tailed t-test?

μ1 > μ2

μ1 = μ2

μ1 ≠ μ2

μ1 = 12

3.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

μ1 = μ2 is a appropriate null hypothesis for which of the following?

one-sample t-test

ANOVA

two-sample t-test

4.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Which of the following is FALSE about one-tailed and two-tailed t-tests?

p-value < α results in rejection of the null for both one-tailed and two-tailed t-tests.

You can choose a one-tailed t-test if you are only interested in a relationship in a particular direction.

One-tailed have more statistical power when testing the same hypothesis.

You can choose a one-tailed t-test if you know the mean of one group is higher than the other.

5.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Suppose we have conducted a t-test α = 0.05 and the p-value = 0.04.

TRUE or FALSE: There is a 4% chance the null hypothesis is true.

TRUE

FALSE

6.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Suppose we have conducted a t-test α = 0.05 and the p-value = 0.04.

TRUE or FALSE: We reject H0

TRUE

FALSE

7.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Suppose we have conducted a t-test α = 0.05 and the p-value = 0.04.

TRUE or FALSE: We should reject H0. If we repeated the experiment, there is a 4% chance that we would reject H0 again.

TRUE

FALSE

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