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3 years ago

PLZZ HELP!!!!!!!!What is the standard deviation of the data set?

Mathematics

2 answers:

Genrish500 [490]3 years ago

7 0

Answer:

1.7

Step-by-step explanation:

Verified correct in a K12 test, but I looked up how to do it... A calculator is the easiest way!! :o

From mathisfun website:

Work out the Mean (the simple average of the numbers)
Then for each number: subtract the Mean and square the result.
Then work out the mean of those squared differences.
Take the square root of that and we are done!

STatiana [176]3 years ago

5 0

1.7 is the answer, first you would add up all of you numbers and then divide by 7

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Answer:

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Step-by-step explanation:

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3 years ago

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3 years ago

Solve algebraically for x

Anton [14]

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3 years ago

Solve for y 2x+y-3z=5

Elza [17]

Answer:

Step-by-step explanation:

Isolate the term of x and y from one side of the equation.

<u>To solve:</u>

The value of y.

$\Longrightarrow: \sf{\sqrt{2x+y-3z}=5}$

<u>First, you have to subtract by 2x-3z from both sides.</u>

$\Longrightarrow: \sf{2x+y-3z-\left(2x-3z\right)=25-\left(2x-3z\right)}}$

<u>Solve.</u>

$\Longrightarrow: \boxed{\sf{y=25-2x+3z}}}$

<u>Therefore, the correct answer is "A. y=-2x+3z+25".</u>

I hope this helps, let me know if you have any questions.

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2 years ago

Read 2 more answers

which of the following steps indicates thr addition property of equality while solving the equation -1 -6x = x - 15?

VLD [36.1K]

Answer:

-1-6x=x-15

-6x+x=-15 +1

-6x^2=-14

x^2=-14 +6

x^2= -8

x=_/8

x=4

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3 years ago