2. The grams of solids removed from a material (y) is thought to be related to the drying time. Ten observations obtained from an experimental study follow: y 4.3 1.5 1.8 | 4.9 | 4.2 | 4.8 | 5.8 | 6.2 | 7.0 | 7.9 x | 2.5 3.0 3.5 4.0 4.5 | 5.0 | 5.5 | 6.0 | 6.5 7.0 (a) Construct a scatter diagram for these data. (b) Fit a simple linear regression model. (c) Compute for the correlation coefficient using excel.

MATLAB: An Introduction with Applications
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Author:Amos Gilat
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Solve the following statistical problems using correlation.

2. The grams of solids removed from a material ( y) is thought to be related to the drying time. Ten observations obtained from an experimental study follow:
y 4.3
1.5
1.8 | 4.9 | 4.2
4.8
5.8 | 6.2
7.0 | 7.9
2.5
3.0 3.5
4.0
4.5
5.0 5.5
6.0
6.5 | 7.0
(a) Construct a scatter diagram for these data.
(b) Fit a simple linear regression model.
(c) Compute for the correlation coefficient using excel.
Transcribed Image Text:2. The grams of solids removed from a material ( y) is thought to be related to the drying time. Ten observations obtained from an experimental study follow: y 4.3 1.5 1.8 | 4.9 | 4.2 4.8 5.8 | 6.2 7.0 | 7.9 2.5 3.0 3.5 4.0 4.5 5.0 5.5 6.0 6.5 | 7.0 (a) Construct a scatter diagram for these data. (b) Fit a simple linear regression model. (c) Compute for the correlation coefficient using excel.
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