Linear Regression 11/10-11/11

Linear Regression 11/10-11/11

Open Ended

1) Make sure you have access to Desmos.com through a laptop, tablet, or phone​

2) Look at the three scatter plots. What do you notice? What do you think each dot represents? Could you draw a line through them?

Multiple Choice

Describe the correlation of the data.

• Positive correlation

• No correlation

• Negative correlation

Multiple Choice

Describe the correlation of the data.

• Positive correlation

• No correlation

• Negative correlation

Multiple Choice

Describe the correlation in the graph shown.

• Strong Negative
• Strong Positive
• Weak Negative
• Weak Positive

Multiple Choice

A restaurant sells pizza for the prices in the data table. Calculate the linear regression equation of the data.

• y = 1.5x + 12

• y = 12x + 1.5

• y = 0.67x - 8

• y = -8x + 0.67

Multiple Choice

The linear regression equation that best represents the line of best fit for the data is y=20.8x-35. Use the equation to predict the number of bacteria in 24 hours.

• 35

• 277

• 464

• 819