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In this lesson, we will learn how to represent data using scatterplots and transform these plots into lines of best fit.

Q1:

The following scatter diagram shows the test results of two exams for a class of 26 students. If Sophia got 84 on exam 1, which of the following would you expect to be her score for exam 2?

Q2:

A linear regression model of the form π¦ = π + π π₯ has been fitted to the data shown. Which of the following statements are true about the values of π and π in the fitted regression model?

Q3:

How useful would a line of best fit be for this scatter plot?

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