Question #138990

The following table shows the amount of converted sugar in a chemical process at different temperatures.

Temperature, x Converted Sugar, y

1.2 8.2

1.4 8.5

1.6 8.4

1.8 9.3

2.0 8.9

2.2 10.5

2.4 9.3

a. Compute for the correlation coefficient

b. Estimate the linear regression line.

c. Estimate the mean amount of sugar produced when the temperature recorded is 1.7.

Temperature, x Converted Sugar, y

1.2 8.2

1.4 8.5

1.6 8.4

1.8 9.3

2.0 8.9

2.2 10.5

2.4 9.3

a. Compute for the correlation coefficient

b. Estimate the linear regression line.

c. Estimate the mean amount of sugar produced when the temperature recorded is 1.7.

Expert's answer

*Solution*

a. Correlation coefficient, r.

*Ans: 0.76751*

b. Linear regression line

c. mean amount of sugar when temp. is 1.7

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