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3 years ago

What is the IQR of 3,7,8,11,13,15,16

Mathematics

2 answers:

soldier1979 [14.2K]3 years ago

5 0

The IQR = Q3 - Q1

In your set, Q3 = 15, Q1 = 7

Therefore, 15 - 7 = 8

The IQR is 8.

Ann [662]3 years ago

3 0

Answer:

Step-by-step explanation:

3, 7, 8, 11, 13, 15, 16

Median: 11

lower quartile: 7

upper quartile: 15

interquartile range: 15 - 7 = 8

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disa [49]

Answer:

$\textsf{Length}=0.8x^2-0.7x+0.7\quad \sf units$

Step-by-step explanation:

Area of a rectangle = width × length

Therefore, to find the length of the rectangle, we need to divide the area by the width.

Using long division:

$\large\begin{array}{r}0.8x^2-0.7x+0.7\phantom{)} \\x+0.5{\overline{\smash{\big)}\,0.8x^3-0.3x^2+0.35x+0.35\phantom{)}}}\\-~\phantom{(}\underline{(0.8x^3+0.4x^2)\phantom{-b))))))))))))))}}\\0-0.7x^2+0.35x+0.35\phantom{)}\\ \underline{-~\phantom{()}(-0.7x^2-0.35x)\phantom{-b)))))}}\\ 0.7x+0.35\phantom{)}\\\underline{-~\phantom{()}(0.7x-0.35)}\\ 0\phantom{)}\end{array}$

Therefore, the length of the rectangle is:

$0.8x^2-0.7x+0.7$

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2 years ago

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