Consider the following sample data on two random variables X and Y. Identify the regre fits the given data. - X Y 275 168 6.8 1.1 3.3 3.9 142 188 4.9 241 7.7 5.0 295 200 266 5.9 4.8 215 3.1 125 4.2 197

MATLAB: An Introduction with Applications
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Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
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. CONFIDENCE INTERVAL & LINEAR REGRESSION (
Soive the following problems. Show complete solutions to earn full merits.
in ab-
1. Suppose a student measuring the boiling temperature of a certain liquid observes the readings (in degrees
Celsius) 102.5, 101.7, 103.1, 100.9, 100.5 and 102.2 on 6 different samples of the liquid. If he knows that
the standard deviation for this procedures is 1.2 degrees, what is the confidence interval for the
population mean at a 95% confidence level? ,-,
2. Consider the following sample data on two random variables X and Y. Identify the regression line that best
fits the given data.
Y
6.8
275
4.1
3.3
168
142
3.9
188
4.9
241
7.7
295
5.0
200
5.9
266
4.8
215
3.1
125
4.2
197
Transcribed Image Text:. CONFIDENCE INTERVAL & LINEAR REGRESSION ( Soive the following problems. Show complete solutions to earn full merits. in ab- 1. Suppose a student measuring the boiling temperature of a certain liquid observes the readings (in degrees Celsius) 102.5, 101.7, 103.1, 100.9, 100.5 and 102.2 on 6 different samples of the liquid. If he knows that the standard deviation for this procedures is 1.2 degrees, what is the confidence interval for the population mean at a 95% confidence level? ,-, 2. Consider the following sample data on two random variables X and Y. Identify the regression line that best fits the given data. Y 6.8 275 4.1 3.3 168 142 3.9 188 4.9 241 7.7 295 5.0 200 5.9 266 4.8 215 3.1 125 4.2 197
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