Represent categorical data using frequency or relative frequency tables.
Example Problems
Tom took 4 exams. His mean was and his standard deviation was . What scores did Tom receive on his exams?
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?
a. Write two sets of 5 different numbers that have the same mean but different standard deviations.
b. Write two sets of 5 different numbers that have the same standard deviations but different means.
b. Write two sets of 5 different numbers that have the same standard deviations but different means.
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