Unit 5, Lesson 24
Looking for Associations
Accelerated 7
Practice
Problem 1
A scientist wants to know if the color of the water affects how much animals drink. The average amount of water each animal drinks was recorded in milliliters for a week and then graphed.
Is there evidence to suggest an association between water color and animal?
| cat intake (ml) | dog intake (ml) | total (ml) | |
|---|---|---|---|
| blue water | 210 | 1200 | 1410 |
| green water | 200 | 1100 | 1300 |
| total | 410 | 2300 | 2710 |
Bar graph with two pairs of bars. Each pair of bars has a blue bar and red bar. Blue bar, cat. Red bar, dog. Vertical axis from 0 to 1600 by 400's. First one, blue water. Cat, about 200. Dog, 1200. Second two, green water. Cat, about 200. Dog, about 1100.
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