The director of special events for Sun City analyzed the relationship between spending on fireworks displays for the 4th of July and attendance at the October fall festival. A regression analysis showed a significant predictive relationship, with a high coefficient for the 4th of July variable and a p-value indicating strong statistical significance. The findings suggest that increased spending on July 4th fireworks is associated with higher attendance at the fall festival.

1. The director of special events for Sun City believed that he amount of money spent of fire works
displays on the 4th of July was predictive of attendance at the Fall Festival held in October. She
gathered the following data to test her suspicion
Solution
The regression equation is
festival = 1.28 + 0.846 4th july
Predictor Coef SE Coef T P
Constant 1.276 1.498 0.85 0.410
4th july 0.8457 0.1570 5.39 0.000
Analysis of Variance
Source DF SS MS F P
Regression 1 47.751 47.751 29.03 0.000
Residual Error 13 21.386 1.645
Total 14 69.137
yes fall and 4th july are related