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sashaice [31]
3 years ago
13

Find the mean, median, mode and range of the data set after you perform the given operation on each data value.

Mathematics
2 answers:
tatyana61 [14]3 years ago
5 0
The answer is A.

Hope this helps
Vlada [557]3 years ago
3 0
Mean:

Add all the numbers:

13 + 17 + 15 + 18 + 21 + 13 + 20 + = 16.7
16.7 + 3.7 = 20.4

Mean = 20.4

Median:

Order the numbers:

13, 13, 15, 17, 18, 20, 21

The median, or middle number is 17.
17 + 3.7 = 20.7

Median = 20.7


Mode:

The number that repeats the most is 13.
13 + 3.7 = 16.7 

Mode = 16.7

Range:

Highest Number = 21

Lowest Number = 13

21 - 13 = 8

Range = 8

The answer choice that matches is choice A.

Hope this helped☺☺
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Mumz [18]

Answer:

Step-by-step explanation:

(5,4) ;  (-3, -2)

Slope=\frac{y_{2}-y_{1}}{x_{2}-x_{1}}\\\\=\frac{-2-4}{-3-5}\\\\=\frac{-6}{-8}\\\\=\frac{3}{4}

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y -y1 = m(x-x1)

y - 4 = (3/4)(x - 5)

y-4=\frac{3}{4}x-\frac{3}{4}*5\\\\y-4=\frac{3}{4}x-\frac{15}{4}\\\\y=\frac{3}{4}x-\frac{15}{4}+4\\\\y=\frac{3}{4}x-\frac{15}{4}+\frac{4*4}{1*4}\\\\y=\frac{3}{4}x-\frac{15}{4}+\frac{16}{4}\\\\y=\frac{3}{4}x+\frac{1}{4}

7 0
3 years ago
What is the value of the variable -38 = 2b + 25 - (-7b)
ddd [48]
The variable in this equation is b, therefore we have to calculate the value of b.

-38=2b+25-(-7b)
-38=2b+25+7b
2b+7b=-38-25
9b=-63
b=-63/9
b=-7

Answer: the value of the variable is b=-7

We can check it out this answer:
-38=2b+25-(-7b)
-38=2(-7)+25-(-7(-7))
-38=-14+25-49
-38=-38
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3 years ago
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pochemuha

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timurjin [86]
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Octahedron (8) is a <span>polyhedron has more faces than a hexahedron, but fewer faces than an dodecahedron.</span>

I hope my answer has come to your help. Thank you for posting your question here in Brainly. We hope to answer more of your questions and inquiries soon. Have a nice day ahead!
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