The box plot show the price of textbooks at a local high school. What range describe the middle 50% if the price (p) of the textbooks?

See Explanation

Step-by-step explanation:

The question is incomplete, as the box plot is not attached.

However, the interpretation of the question is to determine the inter-quartile range (IQR) ; this represents the middle 50% of scores

To answer this question, I will make use of the attached box plot.

IQR is calculated as:

and are represented by the vertical edges of the rectangle in the box plot. [See attachment]

Reading and , we have:

The IQR is:

Hence, the range that describes the middle 50% of the attached plot is 13

3x^3-2x^2+4x-3= -3

x^2+3x+3= 3

-3÷3= -1

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