4.3a Scatter Plots (Day 1)

Last updated almost 2 years ago

6 questions

Do Now

Today's Lesson: Scatter Plots

Linear Regression: Scatter Plot & Line of Best Fit

Practice: Plotting Scatter Plots on Desmos

Line of Best Fit: Can you create the best best?

4.3a Scatter Plots (Day 1)

Last updated almost 2 years ago

6 questions

Do Now

Would you rather live on a boat or in a treehouse? _______ 
Would you rather have super weird dreams forever or never dream again? _______ 
Would you rather everything you doodled became real or be able to read people’s minds? _______ 

Today's Lesson: Scatter Plots

Describe the relationship between the data in each scatter plot.
a. _______ 


b. _______ 

What type of correlation would expect from each situation:

a) A person’s age and the number of pets they have: __________

b) The age of an infant and its weight: __________

c) The number of times you brush your teeth and the number of cavities you get __________

Linear Regression: Scatter Plot & Line of Best Fit

We will use the graphing calculator on Desmos and the instruction below to answer the question below.
Suggestion: split your screen so that you have one side of your computer showing the Formative and the other side displaying the Desmos calculator.

Jacob joined an exercise program to try to lose weight. Each month he records the number of months in the program and his weight at the end of that month. His record for the first twelve months is shown below.

Draw a scatter plot (on Desmos) and answer the questions below.

Practice: Plotting Scatter Plots on Desmos

Use the Desmos graphing calculator to:
1. Graph the scatter plot (take a screenshot of your graph and enter it on the "show your work" screen
2. Write an equation for the line of best fit
3. Answer the questions about the real world problem.

Use the Desmos graphing calculator to:
1. Graph the scatter plot (take a screenshot of your graph and enter it on the "show your work" screen
2. Write an equation for the line of best fit
3. Answer the questions about the real world problem.

The table below shows the number of calories and the number of grams of carbohydrates in a serving of ten different snacks.

Line of Best Fit: Can you create the best best?

Classwork Part 2

Desmos ScatterPlot Activity
Period 1 Click Here
Period 5 Click Here

Homework
Khan Academy
Linear Equations & Graphs Review Exercises
 

4.3a Scatter Plots (Day 1)

4.3a Scatter Plots (Day 1)

Use the Desmos graphing calculator to:1. Graph the scatter plot (take a screenshot of your graph and enter it on the "show your work" screen2. Write an equation for the line of best fit3. Answer the questions about the real world problem.

Classwork Part 2

Desmos ScatterPlot Activity

Period 1 Click Here

Period 5 Click Here

Use the Desmos graphing calculator to:1. Graph the scatter plot (take a screenshot of your graph and enter it on the "show your work" screen2. Write an equation for the line of best fit3. Answer the questions about the real world problem.

Classwork Part 2

Desmos ScatterPlot Activity

Period 1 Click Here

Period 5 Click Here

Use the Desmos graphing calculator to:
1. Graph the scatter plot (take a screenshot of your graph and enter it on the "show your work" screen
2. Write an equation for the line of best fit
3. Answer the questions about the real world problem.

Use the Desmos graphing calculator to:
1. Graph the scatter plot (take a screenshot of your graph and enter it on the "show your work" screen
2. Write an equation for the line of best fit
3. Answer the questions about the real world problem.