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mario62 [17]
2 years ago
10

Can u help me find the E ?

Mathematics
1 answer:
sashaice [31]2 years ago
5 0
I don’t think so bc I don’t like math
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If Professor Wilson found that the test scores of his students had a variance of 4.4, what is the standard deviation? Type a num
malfutka [58]

Answer:

The standard deviation will be: 2.1        

Step-by-step explanation:

We know that standard deviation is basically the square root of variance.

Using the formula to calculate the standard deviation

s=\sqrt{s^2}

As

  • The variance =  s² = 4.4

so the standard deviation can be calculated as:

standard deviation =\sqrt{s^2}

                                 =\sqrt{\left(4.4\right)^}

                                  =2.1

Therefore, the standard deviation will be: 2.1                      

8 0
3 years ago
Write the equation for the line graphed below.
mrs_skeptik [129]

Answer:

y = 1/2x -1

Step-by-step explanation:

to find the y-intercept you find where the line crosses the y axis

for the slope you need to use the equation

change of y2 - change of y1

change of x2 - change of x1

3 0
3 years ago
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Graph of f(x) = 100(0.7)x
Lana71 [14]

Answer:

pay attention in class :)

Step-by-step explanation:

7 0
3 years ago
Select following expressions that are equivalent to 10.
kotykmax [81]

Answer:

5

Step-by-step explanation:

1,2,5

6 0
2 years ago
Find the slope of the line through the given points.<br> (6, 1) and (7,-2)
saul85 [17]

Answer:

slope  -3

y-intercept  19

Step-by-step explanation:

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