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Pachacha [2.7K]
3 years ago
13

Which describes the standard deviation?

Mathematics
2 answers:
max2010maxim [7]3 years ago
6 0


It is a form of measurement of the average difference between sample values and the sample mean.
aleksandrvk [35]3 years ago
3 0

Step-by-step explanation:

standard deviation is used to measure risks involved in an investment instrument. Standard deviation provides investors a mathematical basis for decisions to be made regarding their investment in financial market. Standard Deviation is a common term used in deals involving stocks, mutual funds, ETFs and others. Standard Deviation is also known as volatility. It gives a sense of how dispersed the data in a sample is from the mean.

I hope I answered correctly :)

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(02.02)A shape is shown on the graph:
inna [77]

Based on the shape shown on the graph, the reflection of the shape would be b) A coordinate grid is shown from positive 8 to negative 8 on the x-axis and from positive 8 to negative 8 on the y-axis. A triangle is shown on ordered pair 2, negative 2 and 4, negative 2, and 2, negative 6.

<h3>What shape is the reflection?</h3>

The coordinate grid that the shape would be reflected across is the y axis to get a reflection in the negative side of the x axis.

The first reflection would be of the point that is (2,2). It would be reflected to become (-2, 2).

The second reflection would be of point (2, 6) which would then be reflected to become (-2, 6).

Finally the third point would be of point (4, 2) which would then become (-4, 2).

In conclusion, the reflection was across the y axis.

Options include:

  • a) A coordinate grid is shown from positive 8 to negative 8 on the axis and from positive 8 to negative 8 on the y-axis. A triangle is shown on ordered pair negative 2, 2 and negative 4, 2 and negative 4, 6.
  • b) A coordinate grid is shown from positive 8 to negative 8 on the x-axis and from positive 8 to negative 8 on the y-axis. A triangle is shown on ordered pair 2, negative 2 and 4, negative 2, and 2, negative 6.
  • c) A coordinate grid is shown from positive 8 to negative 8 on the axis and from positive 8 to negative 8 on the y-axis. A triangle is shown on ordered pair negative 2, 2 and negative 2, 4 and negative 6, 2.
  • d) A coordinate grid is shown from positive 8 to negative 8 on the axis and from positive 8 to negative 8 on the y-axis. A triangle is shown on ordered pair 2, negative 2 and 2, negative 4 and 6, negative 2.

Find out more on reflection at brainly.com/question/1908648

#SPJ1

8 0
1 year ago
A right triangle ABC is shown below:
STALIN [3.7K]
The correct answer is:  " 4 " . 
_______________________________________________________

6 0
3 years ago
Read 2 more answers
What is the formula to find the length of an arc when given the central angle and radius?
vazorg [7]
s = \dfrac{n}{360^\circ}2 \pi r

where
s = arc length
n = measure of central angle
r = radius

3 0
2 years ago
17. Find the ratio of the perimeter to the area of the square shown.<br> x + 3<br> x + 3
Serga [27]

Answer:

4x+12/x^2+9

Step-by-step explanation:

Perimeter

x+3+x+3+x+3+x+3

Area

(x+3)(x+3)

7 0
2 years ago
3 + (-2)<br><br> pls tell me answer and how to solve it
svet-max [94.6K]

Answer:

3 + (-2)

= 3 - 2

= 1

hope this helps

5 0
3 years ago
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