7. The age x in months and vocabulary y were measured for six children, with the results shown in the table. X 20 23 30 37 35 45 51 55 60 63 y 72 71 73 74 74 73 72 79 75 77 a. Compute the least squares regression line.
7. The age x in months and vocabulary y were measured for six children, with the results shown in the table. X 20 23 30 37 35 45 51 55 60 63 y 72 71 73 74 74 73 72 79 75 77 a. Compute the least squares regression line.
MATLAB: An Introduction with Applications
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ISBN:9781119256830
Author:Amos Gilat
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Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
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Question
![7. The age x in months and vocabulary y were measured for six children, with the results
shown in the table.
X
20
23
30
37
35
45
51
55
60 63
y
72
71 73 74
74
73
72
79 75 77
a. Compute the least squares regression line.
c. Estimate the average resting heart rate of all newborn baby boys. Comment on the
validity of the estimate.](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F67e601b7-8dec-4e1b-ab31-492c1efb0d1a%2F28f88514-4519-4303-8626-5c21acc81bdd%2Ff6ngzy_processed.png&w=3840&q=75)
Transcribed Image Text:7. The age x in months and vocabulary y were measured for six children, with the results
shown in the table.
X
20
23
30
37
35
45
51
55
60 63
y
72
71 73 74
74
73
72
79 75 77
a. Compute the least squares regression line.
c. Estimate the average resting heart rate of all newborn baby boys. Comment on the
validity of the estimate.
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