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Lunna [17]
3 years ago
14

Find the median, first quartile, third quartile, interquartile range, and any outliers for each set of data.

Mathematics
2 answers:
larisa86 [58]3 years ago
5 0

Answer:

First, to find the median, we have to order all numbers, from least to highest:

<h3>2.8; 3.9; 5.3; 6.1; 6.5; 7.1; 12.5; 14.6; 16.4; 16.4; 20.8; 27.1; 28.1; 30.9; 53.5</h3>

Now, we calculate the position of each quartile:

Q_{k}=\frac{k(n+1)}{4}\\Q_{1}=\frac{1(15+1)}{4}=4\\Q_{2}=\frac{2(15+1)}{4}=8\\Q_{3}=\frac{3(15+1)}{4}=12

So, the first quartile is in the fourth position, the thirds quartile is in the twelfth position:

So, first quartile is 6.1. Second quartile is 14.6, and the third quartile is 27.1.

It's important to remember that the second quartile is the median. So the median is 14.6

Lastly, the interquartile range is the difference between the third and first quartile. So:

Q_{3}-Q_{1}=27.1-6.1=21

Therefore, the interquartile range is 21.

nadezda [96]3 years ago
3 0

Here is what i figured out.

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A document that is 35 in. By 40 in. Is redrawn at 1 1/2 scale and then redrawn at 1/4 scale. What are the final dimensions of th
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It is redrawn at a scale of 1 1/2 or 3/2 or 1.5
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5 0
3 years ago
Help me Solve 1/6 ÷ 2/6 please
pochemuha
\frac{1}{6} ÷ \frac{2}{6}

First, apply this following rule: a ÷ \frac{b}{x} = a × \frac{c}{b}
\frac{1}{6} × \frac{6}{2}
Second, apply this following rule: \frac{a}{b} × \frac{c}{d} =  \frac{ac}{bd}
\frac{1x6}{6x2}
Third, multiply 1 × 6 to get 6 and 6 × 2 to get 12.
\frac{6}{12}
Fourth, find the GCF of 6 and 12. 
Factors of 6: 1, 2, 3, 6
Factors of 12: 1, 2, 3, 4, 6, 12
The GCF is 6.
Fifth, divide the numerator by the GCF.
6 ÷ 6 = 1
Sixth, divide the denominator by the GCF.
12 ÷ 6 = 2
Seventh, collect the new numerator and new denominator.
\frac{1}{2}

Answer as fraction: \frac{1}{2}
Answer as decimal: 0.5

8 0
3 years ago
Please help? I really need it
horsena [70]

Answer:

216 in²

Step-by-step explanation:

a = bh

a = 18 * 12

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The bases are 6 and 3

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The bases of a trapezoid are the sides that are parallel to each other.  The > marks on the lines tells you that those two lines are parallel

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