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6 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What does a low p-value indicate in hypothesis testing?

The results are likely due to chance.

The sample size is too small.

The results are statistically significant.

The null hypothesis is true.

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What does Cohen's d measure?

The likelihood of a Type I error.

The standardized difference between two means.

The proportion of variance explained by the independent variable.

The correlation between two variables.

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the formula for the standard error of the mean?

Variance divided by the sample size.

Mean divided by the standard deviation.

Standard deviation multiplied by the sample size.

Standard deviation divided by the square root of the sample size.

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What does the r-value (Correlation Coefficient) measure?

The likelihood of a Type II error.

The strength and direction of a linear relationship between two variables.

The difference between group means.

The variance within groups.

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the purpose of a post-hoc analysis in ANOVA?

To prevent Type II errors.

To determine the sample size needed.

To calculate the effect size.

To find where the group differences are.

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What does η2 (eta-squared) explain?

The correlation between two variables.

The likelihood of a Type I error.

The difference between two means.

The proportion of variance in scores of the dependent variable explained by the independent variable.