School administrators wondered whether class size and grade achievement (in percent) were related. A random sample of classes revealed the following data. Number of Students 15 10 8. 18 6. Average...

School administrators wondered whether class size and grade<br>achievement (in percent) were related. A random sample of classes<br>revealed the following data.<br>Number<br>of<br>Students<br>15<br>10<br>8.<br>18<br>6.<br>Average<br>Grades<br>(%)<br>85<br>90<br>82<br>80<br>84<br>92<br>1. Calculate the linear correlation coefficient<br>(Round<br>all answers to TWO decimal places)<br>2. Calculate the coefficient of determination<br>(Round<br>all answers to TWO decimal places)<br>3.The linear regression equation is<br>y =<br>(Round all ans<br>ers to<br>TWO decimal places)<br>4. Using your regression equation, what would you expect the average<br>Bely<br>ASUS VivoBook<br>20<br>

Extracted text: School administrators wondered whether class size and grade achievement (in percent) were related. A random sample of classes revealed the following data. Number of Students 15 10 8. 18 6. Average Grades (%) 85 90 82 80 84 92 1. Calculate the linear correlation coefficient (Round all answers to TWO decimal places) 2. Calculate the coefficient of determination (Round all answers to TWO decimal places) 3.The linear regression equation is y = (Round all ans ers to TWO decimal places) 4. Using your regression equation, what would you expect the average Bely ASUS VivoBook 20

Jun 11, 2022

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School administrators wondered whether class size and grade achievement (in percent) were related. A random sample of classes revealed the following data. Number of Students 15 10 8. 18 6. Average...

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