3 years ago

What is a standard deviation in statistics?

1 answer:

6 0

In statistics, the standard deviation (SD, also represented by the Greek letter sigma σ or the Latin letter s) is a measure that is used to quantify the amount of variation or dispersion of a set of data values.

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Need help with 1 and 2 please

Rom4ik [11]

Answer:

calculator

Step-by-step explanation:

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7 0

3 years ago

Please help, I need help.<br><br>I don't understand.

Lana71 [14]

Find slope of both

(11,2)
(22,4)

$\\ \tt\hookrightarrow m=\dfrac{4-2}{22-11}=\dfrac{2}{11}=1.8$

(0,0)
(5,1)

$\\ \tt\hookrightarrow m=\dfrac{1-0}{5-0}=\dfrac{1}{5}=0.2$

Option C is correct

7 0

2 years ago

Add. (5y - 1) + (-2y + 4) A) 3y - 5 B) 3y + 3 C) 7y + 3 D) 7y - 3

Ivan

(5y - 1) + (-2y + 4) = 5y - 1 - 2y + 4
= 5y - 2y - 1 + 4
= 3y + 3 [OPTION B]

8 0

3 years ago

HELP HELP PLEASE!! D:<br> Determine the missing side length!! <br> PLEASE NO CAP!!

charle [14.2K]

Answer:

missing side length = 9

Step-by-step explanation:

$c^{2} = a^{2} + b^{2}$

a = 6

b = 7

c = missing side

$c^{2} = 6^{2} + 7^{2}$

$c^{2} = 36 + 49$

$c^{2} = 85$

$\sqrt{c^{2} } = \sqrt{85}$

$c = 9.219 = 9$

5 0

3 years ago

Can you help me find my mistake

Hunter-Best [27]

Sorry i dont know im not that far in school that's like high school stuff sorry

8 0

3 years ago

What is a standard deviation in statistics?​

What is a standard deviation in statistics?