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Lesson 19.5B Scatter Plots and Fitted Quadratic Curves

Last updated over 1 year ago

12 questions

1

1

2

2

2

2

2

1

2

4

4

4

Question 1

1.

What is the topic that your data deals with?

Question 2

2.

Take a screen shot of the data you are using to create a regression model. Also include the source of your data in the answer blank.

Question 3

3.

Using desmos, create a table and scatter plot of your data. Take a screen shot and paste your work into the show your work window.

Question 4

4.

Using Desmos, create a Quadratic regression model with your data. Take a screen shot of the graph of your quadratic model in Desmos and paste it in the show your work window.

Question 5

5.

Type out the Quadratic Model that represents your data.

Question 6

6.

What is the correlation coefficient for your Quadratic Model? This is the R Squared value.

Question 7

7.

Using Desmos, create a Linear regression model with your data. Take a screen shot of the graph of your Linear model in Desmos and paste it in the show your work window.

Question 8

8.

Type out the Linear Model that represents your data.

Question 9

9.

What is the correlation coefficient for your Linear Model? This is the R Squared value.

Question 10

10.

Which model do you think best matches your data? Justify your reasoning using the r squared coefficient of determination.

Question 11

11.

Create two questions that can be asked using the chosen model from question #10.

Question 12

12.

Answer the two questions that you asked in question #11.