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pshichka [43]
4 years ago
14

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

Mathematics
2 answers:
Ne4ueva [31]4 years ago
8 0
Calculate for the mean/ average of the given numbers:
 
                             μ = (1 + 2 + 3 + 4 + 5) / 5 = 3

Then, we calculate for the summation of the squares of differences of these numbers from the mean, S
 
                             S  = (1 - 3)² + (2 - 3)² + (3 - 3)² + (4 - 3)² + (5 - 3)²
                                S = 10

Divide this summation by the number of items and take the square root of the result to get the standard deviation.

                              SD = sqrt (10 / 5) = sqrt 2  
                                    SD = 1.41

Thus, the standard deviation of the given is equal to 1.41. 
              
                            
Bas_tet [7]4 years ago
8 0

Answer:

So basically sqrt of 2...

Step-by-step explanation:

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A horse and carriage ride is available in the park. A 3-mile ride costs $10.24 per person and a 5-mile ride costs $18.58 per per
ipn [44]

Answer:

$14.41

Step-by-step explanation:

3 mile: 10.24

5 mile: 18.58

2 additional miles:

18.58 - 10.24

8.34

1 additional mile: 8.34 ÷ 2

= 4.17

Cost of 4 mile:

3 miles + 1 additional

10.24 + 4.17 = 14.41

7 0
4 years ago
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babymother [125]
What is this supposed to be? Is there any actual question?
4 0
4 years ago
A line passes through the points (–3, –4) and (6, 2)
erastova [34]

9514 1404 393

Answer:

  (3, 0)

Step-by-step explanation:

The line through these points intersects the x-axis at x=3.

The x-intercept is (3, 0).

_____

The x-intercept can be computed from ...

  x-intercept = x1 -y1(x2 -x1)/(y2 -y1)

  = -3 -(-4)(6-(-3))/(2-(-4)) = -3 +4(9/6) = -3 +6

  x-intercept = 3

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Here, it is simple enough to plot the points and see where the line crosses the x-axis.

5 0
3 years ago
Determine the equivalent system for the given system of equations. 4x − 5y = 2 3x − y = 8
mel-nik [20]

Answer:

<h2>Explanation:</h2>

We have the following System of Linear Equations in two variables:

\left \{ {4x-5y=2 \atop {3x-y=8}}\right.

So let's call this as SYSTEM A. Two systems of equations are said to be equivalen if and only if they have the same solution, so we can get an equivalent system, called SYSTEM B, by multiplying an equation by some constant value. Let's say we multiply equation (1) by 2, then:

\left \{ {2(4x-5y=2) \atop {3x-y=8}}\right. \\ \\ \left \{ {8x-10y=4 \atop {3x-y=8}}\right.

In conclusion:

SYSTEM A:

\left \{ {4x-5y=2 \atop {3x-y=8}}\right.

SYSTEM B:

\left \{ {8x-10y=4 \atop {3x-y=8}}\right.

SYSTEM A and SYSTEM B are equivalent

<h2>Learn more:</h2>

System of equations: brainly.com/question/13799715

#LearnWithBrainly

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4 years ago
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