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3 years ago

Need asap final exam help fast

Mathematics

2 answers:

antiseptic1488 [7]3 years ago

7 0

I uploaded the answer to a file hosting. Here's link:

tinyurl.com/wpazsebu

Thepotemich [5.8K]3 years ago

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For the Data Set below, calculate the Variance to the nearest hundredth decimal place. (Do not use a coma in your answer) 175 34

dlinn [17]

Answer:

The variance of the data is 29966.3.

Step-by-step explanation:

The given data set is

175, 349, 234, 512, 638, 549, 500, 611

We need to find the variance to the nearest hundredth decimal place.

Mean of the data

$Mean=\dfrac{\sum x}{n}$

where, n is number of observation.

$Mean=\dfrac{3568}{8}=446$

The mean of the data is 446.

$Variance=\dfrac{\sum (x-mean)^2}{n-1}$

$Variance=\dfrac{(175-446)^2+(349-446)^2+(234-446)^2+(512-446)^2+(638-446)^2+(549-446)^2+(500-446)^2+(611-446)^2}{8-1}$

$Variance=\dfrac{209764}{7}$

$Variance=29966.2857$

$Variance\approx 29966.3$

Therefore, the variance of the data is 29966.3.

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3 years ago

How to describe and compare a box plot.

zzz [600]

Hoping the images i attached below help!!

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3 years ago

How do I find this formula?<br><br> Trapizoid:b1=3 m;b2=4 m;A=7m2

DochEvi [55]

That depends. What are you trying to find? The formula for the perimeter? The formula for the area?

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3 years ago

Read 2 more answers

What is 15.062 in word form

Ostrovityanka [42]

Fifteen and sixty two thousanths

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3 years ago

Why can't <img src="https://tex.z-dn.net/?f=x%5E2-5x-1" id="TexFormula1" title="x^2-5x-1" alt="x^2-5x-1" align="absmiddle" class

7nadin3 [17]

Answer:

Step-by-step explanation:

Discussion.

Not directly. But the quadratic formula can do it. But that's not your question.

the factors you get must contain the factors for 1 which are 1 and - 1

These factors must add to - 5. There's no way that will happen with 1 and - 1 and you would be creative math if you tried to say that you could make one of the factors (x -1-1-1-1-1-1). That creates a whole new question.

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1 year ago