Concept explainers
To make: a cumulative frequency table for the given data.
Answer to Problem 19PPE
height of building | Frequency | Cumulative frequency |
| 2 | 2 |
| 3 | 5 |
| 3 | 8 |
| 2 | 10 |
| 2 | 12 |
Explanation of Solution
Given:
The given data shows height of building.
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 105, and the maximum value is 308.
Consider the data is divide into 50 intervals.
Therefore, create a frequency table:
The cumulative frequency table for the given data is:
height of building | Frequency | Cumulative frequency |
| 2 | 2 |
| 3 | 5(2+3) |
| 3 | 8(5+3) |
| 2 | 10(8+2) |
| 2 | 12(10+2) |
Chapter 12 Solutions
High School Math 2015 Common Core Algebra 1 Student Edition Grade 8/9
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