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Question 5 0/5 pts 2 Details Recently a community college offered a 2-credit course to help students with math anxiety. At the beginning of
Question 5 0/5 pts 2 Details Recently a community college offered a 2-credit course to help students with math anxiety. At the beginning of the course, each student took a 30-question survey (called MARS-S); the higher the score, the more anxiety experienced by the student. The nine students remaining in the class took the same survey at the end of the course. The before and after scores for each of the nine students who completed the course are shown below. student before after 1 72 69 2 66 52 3 83 71 4 97 85 5 95 61 6 78 45 7 95 56 8 52 43 9 93 62 Compute the correlation between before and after scores for these students. (Assume the correlation conditions have been satisfied and round your answer to the nearest 0.001.) Calculator Check Answer Question 6 0/3 pts 2 Details Match each scatterplot shown below with one of the four specified correlations. a. -0.34 b. 0.07 c. -0.81 d. 1.00 b 8 00 00 Calculator Check Answer Write an equation in the form y =mx+b for the following table: Question 7 5555 -35 -25 1321 x y -6 -4 -15 -2 20 864 -8 2 15 25 23 st 4 10 6 35 y = Calculator Check Answer 0/4 pts 2 Details Question 8 0/7 pts 2 Details Here is a bivariate data set. Find the regression equation for the response variable y. x y 112.3 104.4 106 86.6 61.7 -4.9 73.4 25.6 73 40.3 76.6 0.7 74.9 0.4 117.4 94 67.2 -23.5 regression equation: Enter the equation in slope-intercept form with parameters accurate to three decimal places. Calculator Check Answer
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