Describe summary statistics of quantitative data represented graphically.
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 the quiz scores of students:
Find the median quiz score.
| Quiz score | Number of students |
|---|---|
| 60 | 2 |
| 70 | 3 |
| 80 | 3 |
| 90 | 2 |
| 100 | 1 |
Find the median quiz score.
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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