Answered

2) What is the 2nd quartile (2) of the following numbers: 63, 27, 54, 18, 72, 9, 36, 45?
a) Q₂ = 40
b) Q₂ = 18
c) Q₂-72
d) Q₂ = 40.5

Sagot :

Shafedjavierviz

Answer:

D. Q2= 40.5

Step-by-step explanation:

arrange

9,18,27,36,45,54,63,72

given,

n= 8

k= 2

then solve

Q2=(k/4)(n+1)

Q2=(2/4)(8+1)

Q2=(2/4)(9)

Q2=(18/4)

Q2=4.5th element

9,18,27,36,(4.5th),45,54,63,72

Q2= (36+45)/2

Q2=(81)/2

Q2= 40.5