Show for each model and give the null and alternative hypotheses for testing if
ID: 3316629 • Letter: S
Question
Show for each model and give the null and alternative hypotheses for testing if the slope in the population is different from zero. Identify the p-value and use it (and a 5% significance level) to make a clear conclusion about the effectiveness of the model.
The regression equation is Y = 82.3 0.0241 X
Predictor
Coef
SE Coef
T
P
Constant
82.29
11.80
6.97
0.000
X
0.02413
0.02018
1.20
0.245
The regression equation is Y = 82.3 0.0241 X
Predictor
Coef
SE Coef
T
P
Constant
82.29
11.80
6.97
0.000
X
0.02413
0.02018
1.20
0.245
Explanation / Answer
The p - value will be the value in the column P corresponding to the row X. Hence,
P - Value = 0.245
Since this p - value is greater than 0.05, we do not reject Ho. Hence,
At 5% significance, we do not have sufficient evidence to conclude that the slope in the population is different from zero.