An instructor asked a random sample of eight students to record their study times in a beginning calculus course. She then made a table for total hours studied (x) over 2 weeks and test score (y) at the end of the 2 weeks. Here are the results. Use the information to complete parts (a) through (g). x 10 15 12 20 8 16 14 22 y 92 81 84 75 85 80 84 81 a. Find the regression equation for the data points. y=enter your response here+enter your response herex (Round to three decimal places as needed.)
An instructor asked a random sample of eight students to record their study times in a beginning calculus course. She then made a table for total hours studied (x) over 2 weeks and test score (y) at the end of the 2 weeks. Here are the results. Use the information to complete parts (a) through (g). x 10 15 12 20 8 16 14 22 y 92 81 84 75 85 80 84 81 a. Find the regression equation for the data points. y=enter your response here+enter your response herex (Round to three decimal places as needed.)
Chapter3: Polynomial Functions
Section: Chapter Questions
Problem 18T
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Question
An instructor asked a random sample of eight students to record their study times in a beginning calculus course. She then made a table for total hours studied (x) over 2 weeks and test score (y) at the end of the 2 weeks. Here are the results. Use the information to complete parts (a) through (g).
x
|
10
|
15
|
12
|
20
|
8
|
16
|
14
|
22
|
|
---|---|---|---|---|---|---|---|---|---|
y
|
92
|
81
|
84
|
75
|
85
|
80
|
84
|
81
|
|
a. Find the regression equation for the data points.
y=enter your response here+enter your response herex
(Round to three decimal places as needed.)
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