Question

question
the box - and - whisker plot below represents some data set. what is the value of the first quartile?
answer
attempt 1 out of 2
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Explanation:

Step1: Recall box - and - whisker plot properties

In a box - and - whisker plot, the first quartile ($Q_1$) is the lower edge of the box.

Step2: Identify the value from the plot

Looking at the vertical axis, each major tick is 3 units. The lower edge of the box is at 78.

Answer:

78