Y Values
X Values
3.1
60
3.6
61
3.8
62
4
63
4.1
65
To the following questions, carry out answers to 3 decimal places if needed. Do not round answers up or down.
Calculate the regression coefficients a and b
b=
a=
Form the regression equation
Y=
3. Calculate the standard error of estimate and the standard error of Coefficient
Standard error of estimate =
Standard error of Coefficient =
4. Make a prediction of Y when X = 64.
Prediction y=
5. Calculate a 95% prediction interval when X = 64.
Predicted value of y will lie between the (lower value) and (higher value)
6. Compute the coefficient of determination.
Coefficient of determination =