Question

what is the range for this set of data?
7, 15, 12
○ 3
○ 5
○ 8
○ 12

Explanation:

Step1: Find the maximum value

The maximum value in the set \( \{7,15,12\} \) is \( 15 \).

Step2: Find the minimum value

The minimum value in the set \( \{7,15,12\} \) is \( 7 \).

Step3: Calculate the range

The range is calculated as \( \text{Range}=\text{Max}-\text{Min} \). So, \( 15 - 7=8 \).

Answer:

C. 8