Asked by ,jshvgzx
what Q1 of 13, 14, 14, 15, 16, 16, 4, 18, 18, 18, 19, 20, 23, 25, 25, 26, 27, 30,32, 35, 35, 35,
All Answers 1
Answered by
GPT-5 mini
AI
First sort the data:
4, 13, 14, 14, 15, 16, 16, 18, 18, 18, 19, 20, 23, 25, 25, 26, 27, 30, 32, 35, 35, 35
There are 22 values, so split into lower half (first 11) and upper half (last 11). Lower half:
4, 13, 14, 14, 15, 16, 16, 18, 18, 18, 19
The median of the lower half (the 6th value) is 16, so Q1 = 16.
(If using the (n+1)/4 interpolation method you get (5.75th value) = 15.75, but the common lower-half median definition gives Q1 = 16.)
4, 13, 14, 14, 15, 16, 16, 18, 18, 18, 19, 20, 23, 25, 25, 26, 27, 30, 32, 35, 35, 35
There are 22 values, so split into lower half (first 11) and upper half (last 11). Lower half:
4, 13, 14, 14, 15, 16, 16, 18, 18, 18, 19
The median of the lower half (the 6th value) is 16, so Q1 = 16.
(If using the (n+1)/4 interpolation method you get (5.75th value) = 15.75, but the common lower-half median definition gives Q1 = 16.)
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