Math Models Unit 4 Lesson 3

8. What was the total spending on fresh fruit by the 9th grade students?

$1,404

9. What was the total spending on fresh fruit by the 10th grade students?

$1,564

10. What was the total spending on fresh fruit by the students who preferred fruit?

$2,968

11. What was the total spending on pizza by the students who preferred pizza?

$6,714

7. How many students in all responded to the survey?

263

1. How many total responses were there to the survey?

295

4. What was the favorite Tex Mex restaurant of people from Lewisville?

Abuelo's

5. What was the favorite Tex Mex restaurant overall?

Cristina's

2. What was the favorite Tex Mex restaurant of people from Denton?

El Fenix

3. What was the favorite Tex Mex restaurant of people from Flower Mound?

El Fenix

6. If the hypothesis being tested by this survey was "9th grade students prefer fresh fruit and 10th grade students prefer pizza," was the hypothesis proven by the data? Why or why not?

No; both statements of the conjunction would have to be true, and only the statement about the 9th grade students is true.