Seudónimo Seudónimo

18-03-2016
Mathematics

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What is the value of the first quartile, (Q1)?
A .5
B 3.5
C 2.25
D 1.5

What is the value of the first quartile Q1 A 5 B 35 C 225 D 15 class=

Respuesta :

zerofrancisco zerofrancisco

18-03-2016

we have
0.5, 1.5, 2.25, 3.0, 3.5
then the median is 2.25, we have the two halves:
h1 = 0.5, 1.5
h2 = 3.0, 3.5
so the first quartile, Q1 is the median of the lower half of the data:
Q1 = (0.5 + 1.5)/2
Q1 = 1

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