Please provide explanations

1. Which of the following changes in the data would decrease the P value for a Pearson Correlation? (note: multiple answers are correct and all correct answers must be selected to receive credit for this question

A) Increasing the number of samples

B) Decreasing the number of samples

C) Increasing the Pearson Correlation

D) Decreasing the Pearson Correlation

2. At what value can Pearson Correlation = Coefficient of Determination = Covariance?

A) 2

B) 0

3. The r between height and weight in class 1 is -0.8, while the covariance between height and weight in class 2 is -0.4.

What is true about the height-weight relationships in these two classes?

(note: multiple answers are correct and all correct answers must be selected to receive credit for this question)

A) height and weight are positively correlated in class 1 and 2

B) height and weight are negatively correlated in class 1 and 2

C) height and weight are not correlated in class 1 and 2

D) height is a better predictor of weight in class 2 than in class 1

E) height is a better predictor of weight in class 1 than in class 2