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Statistics, Averages and Variations

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Record of heights in inches: (the 4 is correct)
65,72,68,64,60,55,73,71,52,63,61,74,69,67,74,50,4,75,67,62,66,80,64,65.
Lower limits Q1 - 1.5 X ( IQR)
Upper limits Q3 + 1.5 X (IQR)

A) Make a ox and whisker plot of the data
B) Find the value of the interquartile range (IQR)
C) Multiply the IQR by 1.5 and find the lower and upper limits.
D) Are there any data values below the lower limits? What is above the upper limits? List any suspected outliers. What might be some explanations for the outliers?

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Solution Summary

This response provides instructional advice to find the value of an interquartile range, and the lower and upper limits of the data values provided.

Solution provided by:
Sandhya Sharma, MSc
Education
  • BSc, Meerut University
  • MSc, Meerut University
  • MPhil, Institute of Advanced Studies
  • MSc, AIT
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