8.SP.3
Construct and interpret a relative frequency table, using data from two categorical variables collected from the same subject.
Example Problems
A bag contains 9 blue candies, 7 red candies and 5 green candies.
A candy is chosen from the bag at random.
Find the probability that the candy is: Not Orange
A candy is chosen from the bag at random.
Find the probability that the candy is: Not Orange
The frequency table shows how many cups of coffee employees drank at work:
Which number of cups was least common?
| Cups of Coffee | Number of Employees |
|---|---|
| 0 | 2 |
| 1 | 6 |
| 2 | 4 |
| 3 | 2 |
| 4 | 1 |
Which number of cups was least common?
The frequency table shows the number of hours students practiced piano:
How many students practiced at least 2 hours?
| Practice Hours | Number of Students |
|---|---|
| 0 | 4 |
| 1 | 3 |
| 2 | 5 |
| 3 | 2 |
| 4 | 1 |
How many students practiced at least 2 hours?
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