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Select the correct answer.
What is the lower quartile measure of this box plot?
17
17.5
18
18.5
19
19.5
20
20.5
21

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upandover upandover · Answer 1 · 2020-04-05T19:00:12+02:00

A box plot has the following points in this order: Min, Quartile 1, Median, Quartile 2, Max.

The lower quartile measure would be Q1. So, that will be the point or line one to the right of the minimum, or the second point from the left side.

The lower quartile measure is 18.

Hope this helps!! :)

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rohiraakshay4 rohiraakshay4 · Answer 2 · 2022-05-26T21:55:36+02:00

The lower quartile measure of the box plot is first quartile Q1 and is 18.5

Quartile:

It is deviation of observation into 4 defined intervals of the given set of data

Q1 is the first or lower quartile - The value under which 25% of data points are lie

Q2 - It is also know as median, the value of 50% of data lie

Q3 - It is called upper quartile that consists 75% of data point

Here we have given that the box plot

They are in increasing form

The 25% data of given box plot lie on 18.5

Therefore the value of lower quartile is 18.5

This is the conclusion to the answer

The correct answer is (4)

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