A student was asked to use the five boundary values to find the interquartile range (IQR). She incorrectly said the IQR is 185. Find the correct IQR. What mistake might she have made?
Minimumequals18, First quartileequals53, Medianequals69, Third quartileequals115, Maximumequals203
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Part 1
The correct IQR is
enter your response here.
The correct IQR is 62.
The mistake the student might have made is subtracting the Third Quartile from the Minimum value instead of the Third Quartile from the First Quartile to find the IQR.