Algebra-1

Question Analysis
This question tests the student's ability to use the IQR formula to find one of the quartiles when the other quartile and the IQR are known. The problem provides the values for Q1 and the IQR and asks the student to determine Q3.

Key Concept Explanation
The IQR is a measure of the spread of the middle 50% of the data. It is calculated as IQR = Q3 - Q1. Given the IQR and one quartile, the other quartile can be found by rearranging the formula.

Step-by-step Solution
1. Identify the given value...