Find the range for the group of data items.
\[
15,18,18,24
\]

The range is $\square$.

Answer

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Answer

Final Answer: The range is $\boxed{9}$.

Steps

Step 1 ：Define the data as [15,18,18,24].

Step 2 ：Calculate the range by subtracting the smallest value from the largest value.

Step 3 ：The range is the difference between the maximum and minimum values in the data set.

Step 4 ：Using the data set [15,18,18,24], the maximum value is 24 and the minimum value is 15.

Step 5 ：Subtract the minimum value from the maximum value to find the range: $24 - 15 = 9$.

Step 6 ：Final Answer: The range is $\boxed{9}$.