Linear Regression 2

The annual profits for a company are given in the following table, where x represents the number of years since 1992, and y represents the profit in thousands of dollars. Write the linear regression equation that represents this set of data, rounding all coefficients to the nearest hundredth. Using this equation estimate the profits, in thousands, in the year 2000.

• 317

• 45,734

• 340

• 1526

Tags

CCSS.HSF.LE.B.5

Which scatter plot shows no relationship?

• Graph A
• Graph B
• Graph C
• Graph D

Tags

CCSS.8.EE.B.5

• 3124

• 2,622

• 2907

• 2851

Tags

CCSS.HSF-LE.A.1C

• strong positive

• strong negative

• weak positive

• weak negative

Tags

CCSS.HSF-LE.A.1B

A restaurant sells pizza for the prices in the data table.  Calculate the price of pizza, in dollars, for a pizza with 11 toppings.

• $28.50

• $30.00

• $27.00

• $31.50

Tags

CCSS.HSF.IF.A.2

Which graph shows a line of best fit for the scatter plot?

• Graph A
• Graph B
• Graph C
• Graph D

Tags

CCSS.8.EE.B.5

Use your calculator to generate the linear regression model for this data set. What is the correlation coefficient, r?

• 0.9499

• 11.7313

• 193.852

• 0.9746