Question

Monthly consumption of electricity (in units) of families in a certain locality is given below: 205,201,190,188,195,172,210,225,215,232,260,230 calculate electricity consumption (in units) below which 25% of families lie.

Answer 1

Answer:

✔✔ After adding it gives 2523.

and,

✨✨63O.75

Answer 2

Answer:191.25

Step-by-step explanation:

Arrange data in ascending order

172,188,190,195,201,205,210,215,225,230,232,260

We need to find Q1.

Q1=[n+1]/4

Q1=(12+1)/4

Q1=13/4

Q1=3.25th observation

Q1=3rd observation +0.25 x (4th observation-3rd observation)

Q1=190+0.25x(195-190)

Q1=190+0.25*5

Q1=191.25

Plz mark this answer as the brainliest