Concept explainers
To make: a cumulative frequency table for the given data.
Answer to Problem 18PPE
Miles | Frequency | Cumulative frequency |
| 13 | 13 |
| 5 | 18 |
| 2 | 2 |
| 2 | 22 |
Explanation of Solution
Given:
The given data shows train lengths.
Concept used:
Cumulative frequency: Add the frequency of each interval to the frequencies of all the previous interval.
Calculation:
As the given data is
The minimum data value is 1, and the maximum value is 12.
Consider the data is divide into 3 intervals.
Therefore, create a frequency table:
The cumulative frequency table for the given data is:
Miles | Frequency | Cumulative frequency |
| 13 | 13 |
| 5 | 18(13+5) |
| 2 | 2(18+2) |
| 2 | 22(20+2) |
Chapter 12 Solutions
High School Math 2015 Common Core Algebra 1 Student Edition Grade 8/9
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