Linear Regression & Test 4 Review

Write the equation of the line PARALLEL to the line

-4x+y =- 9 that passes through the point (-2, 4).

Write the answer in point-slope form.

Mathematical Equivalence

ON

Select the line of best fit for the data in the model.

• y=-4x+2

The table shows the attendance at a flag football game for the first 8 games of the season. What is the correlation of the data?

• Strong Positive

• Strong negative

• Weak Postive

• Weak Negative

• No correlation

Determine the line of best fit for the data shown.

If the correlation coefficient, r, of a data set is r = 0. 32. What type of correlation does the data have?

• Strong Positive

• Strong negative

• Weak Postive

• Weak Negative

• No correlation

If the correlation coefficient, r, of a data set is r = -0.95. What type of correlation does the data have?

• Strong Positive

• Strong negative

• Weak Postive

• Weak Negative

• No correlation

Match the following

• Positive, Linear Correlation

• 
• No Correlation

• 
• Non-linear Correlation

• 
• Negative, Linear Correlation

• 

To convince his students to slow down, Coach Logan tracks the typing speed and the number of errors made from a few of his students.

Calculate the correlation coefficient, r, of the data set. Round to TWO decimal places.

Mathematical Equivalence

ON

What is f(2)?

• -4
• 8
• 0
• 5