Match each situation with its level and sign of correlation. A correlation with an absolute value larger than 0.7 is considered strong.
Weak Positive Correlation
Strong Positive Correlation
Weak Negative Correlation
Strong Negative Correlation
Question 2
2.
Select all the values for r that indicate a positive slope for the line of best fit.
Question 3
3.
The correlation coefficient, r, is given for several different linear models for a data set. Sort the r values from best fit (top) to worst fit (bottom).
-0.34
-0.82
0.01
-0.95
Question 4
4.
Which of the values below is the best estimate of the correlation coefficient for the line of best fit shown in the scatter plot? Explain your answer.
A: -0.9
B: -0.4
C: 0.4
D: 0.9
Question 5
5.
Enter the data below as a table
We have released a new and improved Graphing question type! Students will no longer be able to answer this question.
Question 6
6.
What is the equation of the line of best fit for the data?
Question 7
7.
What is the correlation coefficient for the data?
Question 8
8.
Enter the data below as a table
We have released a new and improved Graphing question type! Students will no longer be able to answer this question.
Question 9
9.
What is the equation of the line of best fit for the data?
Question 10
10.
What is the correlation coefficient for the data?
Question 11
11.
What do you think s and h might stand for in the data table?