Algebra-1

Question Analysis
This question involves updating the frequency of a specific interval in a histogram after adding new data points.
The main focus is on increasing the original frequency by the number of new entries.

Key Concept Explanation
Updating Interval Frequencies: When new data points are added to an interval, the new frequency is the original frequency plus the number of new entries. This reflects the increased count in that interval.

Step-by-Step Solution
Find the original frequency of the 35–39 hours interval: 8.
Add the number of new employees: 8 + 3 ...