weekend and the scores of each student who took a test the foll listed in the table below. There is a significant negative linear cor el of significance. Therefore, answer the following questions. Hours Spent 0 1 2 3 3 5 5 5 6 7 7 10 Online Test Score (as r² = a percent) 96 85 82 74 95 68 76 84 58 65 75 50 THE 1. What is the least-squares regression line that represents the data? to the tenth. ŷ = 2. What is the value of the coefficient of determination? Round to thre decimals. Unitless X + 3. How much of the variation is... Write the answers in a whole percen Required
weekend and the scores of each student who took a test the foll listed in the table below. There is a significant negative linear cor el of significance. Therefore, answer the following questions. Hours Spent 0 1 2 3 3 5 5 5 6 7 7 10 Online Test Score (as r² = a percent) 96 85 82 74 95 68 76 84 58 65 75 50 THE 1. What is the least-squares regression line that represents the data? to the tenth. ŷ = 2. What is the value of the coefficient of determination? Round to thre decimals. Unitless X + 3. How much of the variation is... Write the answers in a whole percen Required
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
Related questions
Question
![Hours Online and Test Scores The number of hours 12 students spent online during
the weekend and the scores of each student who took a test the following Monday
are listed in the table below. There is a significant negative linear correction at the 1%
level of significance. Therefore, answer the following questions.
ŷ
=
Hours
Spent 0 1 2 3 3 5 5 5 6 7 7 10
Online
Test
Score (as
1. What is the least-squares regression line that represents the data? Round the values
to the tenth.
r² =
a
percent)
96 85 82 74 95 68 76 84 58 65 75 50
2. What is the value of the coefficient of determination? Round to three
decimals. Unitless
Explained:
X +
3. How much of the variation is... Write the answers in a whole percent. Units
Required
Unexplained:](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Ff5130295-9121-4b2f-8f85-285ad6b4f0f7%2F87021f50-36fa-4a9a-b27b-029d41948823%2F3ktbhx8_processed.jpeg&w=3840&q=75)
Transcribed Image Text:Hours Online and Test Scores The number of hours 12 students spent online during
the weekend and the scores of each student who took a test the following Monday
are listed in the table below. There is a significant negative linear correction at the 1%
level of significance. Therefore, answer the following questions.
ŷ
=
Hours
Spent 0 1 2 3 3 5 5 5 6 7 7 10
Online
Test
Score (as
1. What is the least-squares regression line that represents the data? Round the values
to the tenth.
r² =
a
percent)
96 85 82 74 95 68 76 84 58 65 75 50
2. What is the value of the coefficient of determination? Round to three
decimals. Unitless
Explained:
X +
3. How much of the variation is... Write the answers in a whole percent. Units
Required
Unexplained:
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