Algebra-1

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

Key Concept Explanation
Updating Frequency After Removal: When data points are removed from an interval, the new frequency is the original frequency minus the number of removed entries. This reflects the decreased count in that interval.

Step-by-Step Solution
Find the original frequency of the 42–53 ages interval: 18.
Subtract the number of dropouts: 18 - 7 = 11.<...