Algebra-1

Question Analysis
This question involves updating the frequency of a category after adding new data points to a frequency table.
The main focus is on understanding that adding observations to a category increases its frequency by the number of new entries.

Key Concept Explanation
Updated Frequency: When new data points are added to a category, the new frequency is the original frequency plus the number of new entries. This reflects the increased count of that category.

Step-by-Step Solution
Identify the original frequency of households with 1 car: 15.
Add the number of new households with 1 car: 15 + 5 = 20.
Conclusion: The new frequency of hou...