Algebra-1

Question Analysis
This question tests the student's ability to calculate the Interquartile Range (IQR) for a given dataset. The dataset is provided, and students need to identify the values of Q1 and Q3, then compute the IQR.

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, where Q3 is the upper quartile and Q1 is the lower quartile.

Step-by-step Solution
1. Sort the dataset: 1, 3, 5, 7, 9, 11, 13