175, 180, 200, 212, 214, 215, 218, 225, 230, 235, 239, 245, 265, 290 Determine the...
175, 180, 200, 212, 214, 215, 218,
225, 230, 235, 239, 245, 265, 290
Determine the Interquartile Range (IQR).
Homework Answers
n = 14
Median is (14+1)/2th item =average of 7th & 8th items = (218+ 225)/2 = 221.5
Bottom half is given by:
175, 180, 200, 212, 214, 215, 218
The middle of these numbers = 212
So,
Q1 = First Quartile = 212
Upper half is given by:
225, 230, 235, 239, 245, 265, 290
The middle of these numbers = 239
So,
Q3 =Third Quartile = 239
So,
Interquartile Range = IQR = Q3 - Q1 = 239 - 212 = 27
So,
Answer is:
27
Add Answer to:
175, 180, 200, 212, 214, 215, 218,
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