# Percentages of public school students in fourth grade in 1996 and in eighth grade in 2000 who were at or

## Question:

a. Construct a scatterplot, and comment on any interesting features.

b. Find the equation of the least-squares line that summarizes the relationship between x = 1996 fourthgrade math proficiency percentage and y = 2000 eighth-grade math proficiency percentage.

c. Nevada, a western state not included in the data set, had a 1996 fourth-grade math proficiency of 14%. What would you predict for Nevada€™s 2000 eighthgrade math proficiency percentage? How does your prediction compare to the actual eighth-grade value of 20 for Nevada?

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## Step by Step Answer:

**Related Book For**

## Statistics The Exploration & Analysis Of Data

**ISBN:** 9780840058010

7th Edition

**Authors:** Roxy Peck, Jay L. Devore

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