4) Two different tests were designed to measure understanding of a topic. The two tests were given to ten students with the following results: Test x 75 78 SS 92 5| 67 58 72 74 81 Test y 81 73 85 88 89 73 66 75 7o 78 a) Construct a scatter plot for these scores and sketch a line of best fit. b) Write an equation for the line of best fit (round slope and intercept to the nearest hundredth). b) Predict the score, to the nearest integer, on test y for a student who scored 87 on test x.

Elementary Geometry For College Students, 7e
7th Edition
ISBN:9781337614085
Author:Alexander, Daniel C.; Koeberlein, Geralyn M.
Publisher:Alexander, Daniel C.; Koeberlein, Geralyn M.
Chapter10: Analytic Geometry
Section10.CR: Review Exercises
Problem 5CR: Find the slope of the line containing each pair of points in Exercise 1. a 6,4 and 6,-3 c -5,2 and...
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4) Two different tests were designed to measure understanding of a topic. The two tests were
given to ten students with the following results:
Test x 75 78 88
Test y 81 73 85
92 | 5| 67 | 58| 72 | 74 | 81
73 66 75 70 78
SS | 89
a) Construct a scatter plot for these scores and sketch a line of best fit.
b) Write an equation for the line of best fit (round slope and intercept to the nearest
hundredth).
b) Predict the score, to the nearest integer, on test y for a student who scored 87 on test x.
Transcribed Image Text:4) Two different tests were designed to measure understanding of a topic. The two tests were given to ten students with the following results: Test x 75 78 88 Test y 81 73 85 92 | 5| 67 | 58| 72 | 74 | 81 73 66 75 70 78 SS | 89 a) Construct a scatter plot for these scores and sketch a line of best fit. b) Write an equation for the line of best fit (round slope and intercept to the nearest hundredth). b) Predict the score, to the nearest integer, on test y for a student who scored 87 on test x.
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