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Psyc 210 E3 Review

Authored by Makenzie Jacobson

Mathematics

University

CCSS covered

Used 10+ times

Psyc 210 E3 Review
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53 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Why can't multiple t tests be run when there are more than 2 levels?

the probability of making a type II error in one of the test increases

the probability of making a type I error in one of the test increases

degrees of freedom are lost

it becomes more difficult to reject the null hypothesis

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How is the F ratio calculated?

squaring all the scores

averaging the results from the t test for all possible two-group comparisons

dividing a measure of between-groups variability by a measure of within-groups variability

dividing a measure of within-groups variability by a measure of between-groups variability

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

ANOVA is used when...

given a scale dependent variable and a nominal independent variable with three or more levels

we know the population standard deviation

when we do not know the population standard deviation

when we can use categorical data

4.

MULTIPLE SELECT QUESTION

45 sec • 1 pt

What are the assumptions of ANOVA?

random selection of all samples

homoscedasticity

independent variable has only three levels

normally distributed sample

5.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

An F statistic calculated on 4 and 45 degrees of freedom equals 3.62. Which decision should be made about a hypothesis tested at the p = 0.01 level?

fail to reject the null hypothesis and conclude there are differences among the groups

fail to reject the null hypothesis and conclude there are no significant differences among the groups

reject the null hypothesis and conclude there are differences among the groups

reject the null hypothesis and conclude there are no significant differences among the groups

Tags

CCSS.HSS.ID.A.4

6.

OPEN ENDED QUESTION

3 mins • 1 pt

Media Image

What is R² for these data?

Evaluate responses using AI:

OFF

Tags

CCSS.HSS.ID.B.6B

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is an example of a post hoc test?

Scheffe

Cohen's d

eta squared (η²)

Pearson's r

Tags

CCSS.HSS.IC.B.3

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