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hodyreva [135]
3 years ago
7

Determine the standard deviation of the data below. (1, 2, 3, 4, 5)

Mathematics
1 answer:
Burka [1]3 years ago
4 0

Answer:

\sqrt{2} or 1.414

Step-by-step explanation:

1) Find the mean. 1+2+3+4+5 = 15. 15/5= 3

2) For each data point, find the square of its distance to the mean. (4, 1, 0, 1, 4)

3) Sum the values from Step 2. 10

4) Divide by the number of data points. 10/5= 2

5) Take the square root. \sqrt{2}

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What is an equation of the line that passes through the points (−3,3) and (3,−7)?
MakcuM [25]

Answer:

y=-\frac{5}{3}x-2

Step-by-step explanation:

line equation in general y = mx + b

m is the slope, and

b is the y-intercept

3=-3m+b

-7=3m+b

if we plus this two equations

3-7=2b

2b=-4

b=-2

3m=b-3=-5

m=-5/3

So,

y=-\frac{5}{3}x-2

7 0
2 years ago
Read 2 more answers
Select one of the factors of x3y2 + 8xy2 + 5x2 + 40.
aniked [119]

Answer:

Option a - xy^2+5

Step-by-step explanation:

Given : Polynomial x^3y^2+8xy^2+5x^2+40

To find : Select one of the factors of polynomial ?

Solution :

The polynomial  x^3y^2+8xy^2+5x^2+40

We factor of above polynomial by taking common terms,

xy^2(x^2+8)+5(x^2+8)

(xy^2+5)(x^2+8)

From the given options,

xy^2+5 is one of the factors of polynomial.

Therefore, option a is correct.

5 0
3 years ago
Bens home improvement loan to build a security fence around his property was for $1,800.00 at 5.00% interest for 12 months. Afte
ehidna [41]

Did you ever figure this out? I need help with exams 3-5 I have the other answers. Let me know if you want to help each other.

7 0
3 years ago
mario tagged a total of 147 squirrels. He tagged 38 tan male squirrels,10 tan female squirrels 82 gray male squirrels and 17 gra
Umnica [9.8K]
The chance that he will catch a grey squirrel is 

82/147

but you are trying to figure out the chance of him NOT getting a grey squirrel so

147/147 - 82 /147 = 65/147 

65/147 is your answer and you can not round that down anymore

7 0
3 years ago
What is 70 times five
Burka [1]

Answer:

350

Step-by-step explanation:

7 0
3 years ago
Read 2 more answers
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