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3 years ago

Difference between standard deviation and mean deviation

Mathematics

1 answer:

Yakvenalex [24]3 years ago

8 0

$Question$

difference between standard deviation and mean deviation

Answer:

Standard deviation is basically used for the variability of data and frequently use to know the volatility of the stock. A mean is basically the average of a set of two or more numbers. Mean is basically the simple average of data

Hope this helps!!

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A plumber and his assistant work together to replace the pipes in an old house. The plumber charges $30 an hour for his own labo

Korvikt [17]

Answer:

The plumber worked 50 hours, and his assistant worked 25 hours.

Step-by-step explanation:

Since a plumber and his assistant work together to replace the pipes in an old house, and the plumber charges $ 30 an hour for his own labor and $ 20 an hour for his assistant's labor, and the plumber works twice as long as his assistant on this job, and the labor charge on the final bill is $ 2000, to determine how long did the plumber and his assistant work on this job the following calculation must be performed:

40 x 30 + 20 x 20 = 1200 + 400 = 1600

50 x 30 + 25 x 20 = 1500 + 500 = 2000

Therefore, the plumber worked 50 hours, and his assistant worked 25 hours.

6 0

2 years ago

The answer is C that’s why it has a 1 pt in front <br><br> Plz just help me explain how to get that

Ierofanga [76]

First lets get the formula for a triangular prism

$v =( \frac{1}{2} bh)h$

First lets plug in our numbers

$v =( \frac{1}{2} \times 7 \times 4)8.5$

It really doesnt matter how you multiply everything, but you end up with 119cubic feet.

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3 years ago

Alguien me puede explicar los binomios en matematica, porfavor :)

Keith_Richards [23]

Answer: SEE EXPLANATION (en ingles)

Step-by-step explanation:

A binomial is an algebraic expression of the sum or the difference of two terms.

En espanol: Un binomio es una expresión algebraica de la suma o la diferencia de dos términos.

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3 years ago

You earn a 90% on his science test you answer 18 questions correctly how many questions were on the test

Bogdan [553]

Hello there!

The correct answer is 20.

Hope This Helps You!
Good Luck :)

8 0

3 years ago

Read 2 more answers

solve for the indicated variable. include all of your work in your answer. submit your solution. P=2L+2W; for L.

allochka39001 [22]

We have this equation:

$P=2L+2W$

So, we need to solve this equation for L. Then we sum -2W in each member of the equation, like this:

$P-2W=2L+2W-2W$
$P-2W=2L$

Then, dividing the equation by 2:

$\frac{P-2W}{2}=L$

Finally, let's order this equation:

$L=\frac{P-2W}{2}$

4 0

2 years ago

Difference between standard deviation and mean deviation​

Difference between standard deviation and mean deviation