Question 1

If paired scores (high with high,low with low) occupy the same positions within their distributions,then?

Accepted Answer

A)  Pearson's r will be low and negative.
B)  Pearson's r will be high and positive.
C)  Pearson's r will be exactly zero.
D)  The standard error will be high.E) All of the above
F) None of the above

Question 2

If R2 = .89,how relevant does the line of best fit become when making a prediction?

Accepted Answer

A)  Very relevant
B)  Irrelevant
C)  Slightly relevant
D)  ImpossibleE) None of the above
F) A) and C)

Question 3

Using several variables to predict the category a participant has been assigned to is called what?

Accepted Answer

A)  Prediction sampling
B)  Multiple linear regression
C)  Discriminant function analysis
D)  Log-linear analysisE) A) and C)
F) None of the above

Question 4

If there is a positive correlation between hours spent attending lectures and final grade of degree achievement,then it can be concluded that?

Accepted Answer

A)  Spending more time attending lectures will improve degree success.
B)  The degree score can be accurately predicted from number of hours of lectures attended.
C)  Students who attend most lectures get the highest grade of degree.
D)  There is not enough information to infer anythingE) C) and D)
F) A) and B)

Question 5

Correlation is the association between two variables?

Accepted Answer

A) True 
 B)False

Exam 8: Correlation

Using several variables to predict the category a participant has been assigned to is called what?

Correct Answer
verified

Correlation is the association between two variables?

Correct Answer
verified

If R² = .89,how relevant does the line of best fit become when making a prediction?

Correct Answer
verified

If there is a positive correlation between hours spent attending lectures and final grade of degree achievement,then it can be concluded that?

Correct Answer
verified

If paired scores (high with high,low with low) occupy the same positions within their distributions,then?

Correct Answer
verified

Exam 8: Correlation

Using several variables to predict the category a participant has been assigned to is called what?

Correct AnswerverifiedShow Answer

Correlation is the association between two variables?

Correct AnswerverifiedShow Answer

If R2 = .89,how relevant does the line of best fit become when making a prediction?

Correct AnswerverifiedShow Answer

If there is a positive correlation between hours spent attending lectures and final grade of degree achievement,then it can be concluded that?

Correct AnswerverifiedShow Answer

If paired scores (high with high,low with low) occupy the same positions within their distributions,then?

Correct AnswerverifiedShow Answer

Correct Answer
verified

Correct Answer
verified

If R² = .89,how relevant does the line of best fit become when making a prediction?

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified