MCQs > Educational Subjects & Techniques > Statistics With R MCQs > Statistical R-team and Clean Water Conundrum MCQs

Statistical R-team and Clean Water Conundrum MCQ

Which test is used to determine whether a correlation coefficient is statistically significant?

Answer

Correct Answer: One-sample t-test

Note: This Question is unanswered, help us to find answer for this one

What percentage of the variance is shared if two variables are correlated at .4?

Answer

Correct Answer: 16%

Note: This Question is unanswered, help us to find answer for this one

Which of the following would be considered a very strong negative correlation?

Answer

Correct Answer: –.89

Note: This Question is unanswered, help us to find answer for this one

What is the primary purpose of Pearson’s and Spearman’s correlation coefficients?

Answer

Correct Answer: Examining the relationship between two noncategorical variables

Note: This Question is unanswered, help us to find answer for this one

Which of the following is not an assumption for the Pearson’s correlation analysis?

Answer

Correct Answer: Monotonic relationship

Note: This Question is unanswered, help us to find answer for this one