Bone mineral density and cola consumption has been recorded for a sample of patients. Let æ represent the number of colas consumed per week and y the bone mineral density in grams per cubic centimeter. Based on the data shown below answer the questions rounding your final answers to four decimal places. (a) Create a scatter plot with linear regression line for the data. (2 points) y = x + (b) Interpret the slope of the regression equation in a complete sentence. (2 points) (c) Use the linear correlation coefficient to determine if there is correlation. (5 points) r = Is there correlation at the 0.05 level of significance? (2 points) no O yes

MATLAB: An Introduction with Applications
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ISBN:9781119256830
Author:Amos Gilat
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Chapter1: Starting With Matlab
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Bone mineral density and cola consumption has been recorded for a sample of patients. Let x
represent the number of colas consumed per week and y the bone mineral density in grams per
cubic centimeter. Based on the data shown below answer the questions rounding your final
answers to four decimal places.
(a) Create a scatter plot with linear regression line for the data. (2 points)
y =
X +
(b) Interpret the slope of the regression equation in a complete sentence. (2 points)
(C) Use the linear correlation coefficient to determine if there is correlation. (5 points)
r =
Is there correlation at the 0.05 level of significance? (2 points)
no
О yes
Transcribed Image Text:Bone mineral density and cola consumption has been recorded for a sample of patients. Let x represent the number of colas consumed per week and y the bone mineral density in grams per cubic centimeter. Based on the data shown below answer the questions rounding your final answers to four decimal places. (a) Create a scatter plot with linear regression line for the data. (2 points) y = X + (b) Interpret the slope of the regression equation in a complete sentence. (2 points) (C) Use the linear correlation coefficient to determine if there is correlation. (5 points) r = Is there correlation at the 0.05 level of significance? (2 points) no О yes
y
0.93313
0.9363
4
0.93447
5
0.92364
0.91981
7
0.93698
8
0.92415
9.
0.91832
10
0.91549
11
0.90966
12
0.91483
13
0.908
2.
3.
Transcribed Image Text:y 0.93313 0.9363 4 0.93447 5 0.92364 0.91981 7 0.93698 8 0.92415 9. 0.91832 10 0.91549 11 0.90966 12 0.91483 13 0.908 2. 3.
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