Average Temperature Fahrenheit	Ice Cream Sales hundreds of gallons
78	110
70	95
86	135
95	160
80	97
82	105
87	120
98	175
91	140
84	121

1. It shows gallons of ice-cream sold by a dairy manufacturer for a 10 week period. Estimate ice-cream sales if your estimate of average temperature is 78
2. 183 gallons
3. 22,015 gallons
4. 10,460 gallons
5. 228 gallons

1. How much of variability in ice cream sales is explained by temperature?
2. 86%
3. 94%
4. 98%
5. 72%

1. A regression model was developed, and the intercept was 3.14 while the slope was -0.4. What can you tell about this model?
2. The correlation coefficient is positive
3. The correlation coefficient is negative
4. The correlation of determination is negative
5. The coefficient of determination is zero