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...

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Extracted 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.