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2 years ago

Help ASAPPPPP PLEASE!

Mathematics

2 answers:

kkurt [141]2 years ago

6 0

1.5 3/8
2.37/12
3.7 11/15
4.15/8
5. 68/12
6.2 7/15
7.57/12
8.613
Thope this
helps! I
am a teacher
Who teaches
This
Material
So it is a
pleasure to
help Students
Solve these problems!

lilavasa [31]2 years ago

4 0

Answer:

1. 5 3/8

2. 3 7/12

3.7 11/15

4. 1 5/8

5. 6 8/12

6.2 7/15

7. 5 7/12

8. 6 1/3

Step-by-step explanation:

Hope this helps have a great day Sry if I got any wrong

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Answer:

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Step-by-step explanation:

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Answer:

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Step-by-step explanation:

Given:

Series = 10, 30, 15, 5, 20

To Find:

variance of a series = ?

Solution:

The variance of the series = $Var\left(X\right)=\sum _{i=1}^n\frac{\left(x_i-\bar{x}\right)^2}{n}$

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$\bar{x} = \frac{80}{5}$

$\bar{x} =16$

Now $(x_i -\bar{x})^2 =$ $(10 -16)^2 + (30 -16)^2 + (5 -16)^2 +(15 -16)^2 +(20 -16)^2$

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Now

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Step-by-step explanation:

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