1. examine the following drawing. show the sum of the of areas of the four smaller rectangles and the sum of the large rectangle in your own words explain why this is so.
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The areas of the smaller rectangles:

The area of the large rectangle:

The area of the large rectangle is equal of the sum of the areas of the smaller rectangle. Therefore:

It's the distributive property:

replace in by A , giving .

Then the formula

gives, on back-substitution, the formula

x -

median = 1.25

range = 12-14.5

interquartile = q12-q14.5

y -

median = 1

range = 15-17

interquartile = q15-q17

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step-by-step explanation: