Interpreting Computer Output

Why don’t you understand what I’m trying to say?

Example

Mrs. Sapp predicts that the longer students are in her class, the happier they become. This quantitative measurement of happiness is self-reported on a scale between 1 and 5.

Predictor Coef SE Coef T PConstant 1.5448 0.2044 7.56 0.000Days 0.022519 0.002923 7.70 0.000

S = 0.798068

Analysis of Variance

Source DF SS MS F PRegression 1 37.795 37.795 59.34 0.000Residual Error 42 26.750 0.637Total 43 64.545

LSRL:

R-squared:

Interpret the slope of the LSRL:

Interpret s:

Predict the happiness level of a student who has been in Mrs. Sapp’s class for: 80 days

170 days