* not completed

. Anna would like to find out how she scored on the final physics test relative to the rest of her cohort. Which test will give her that information?

Z-test correct incorrect

Single sample t-test correct incorrect

One-way ANOVA correct incorrect

None of the above correct incorrect

* not completed

. George would like to find out if there is a significant difference in the GPA of students who go to the library every day and students who never go to the library. Which test should George use?

Single sample t-test correct incorrect

Independent samples t-test correct incorrect

Dependent samples t-test correct incorrect

Z-test correct incorrect

* not completed

. Cyril wants to find out if there is a positive relationship between the hours spent doing yoga in a month and stress levels as measured by blood cortisol levels. Which test should Cyril use?

One-way ANOVA correct incorrect

Two-way ANOVA correct incorrect

Independent samples t-test correct incorrect

Pearson correlation coefficient correct incorrect

* not completed

. Bertrand would like to find out if there is a difference in between two independent groups of ordinal data. He should use...

The independent samples t-test correct incorrect

The Mann-Whitney U-test correct incorrect

The one-way ANOVA correct incorrect

The Pearson correlation coefficient correct incorrect

* not completed

. Which of the following tests does not involve finding a difference between a set, or sets, of means?

One-way chi-square correct incorrect

Two-way ANOVA correct incorrect

Single-sample t-test correct incorrect

Spearman rank-ordered correlation coefficient correct incorrect