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erastovalidia [21]
3 years ago
11

A sample of n = 4 scores has SS = 48. What is the estimated standard error for this sample? Group of answer choices

Mathematics
1 answer:
mylen [45]3 years ago
4 0

Answer:

2

Step-by-step explanation:

We have

n = 4 scores

SS = 48

For this question, we are required to find the estimated standard error

To get this, we first solve for the variance

S² = SS/n-1

= 48/4-1

= 48/3

= 16

Then S² = 16

S = √16

S = 4

Then the estimated standard error is given by:

S/√n

= 4/√4

= 4/2

= 2.

The estimated standard error is 2.

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Triangles are similar ,

Thus :

\frac{9}{3}  =  \frac{6}{x}  \\

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Inverse both sides

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Multiply sides by 6

6 \times  \frac{x}{6}  = 6 \times  \frac{1}{3}  \\

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2 years ago
What is the coefficient for 8N
strojnjashka [21]

Answer:8

Step-by-step explanation:

8N is the equation

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6 0
3 years ago
In complete sentences explain how you would simplify √8/2.
Dovator [93]

Answer:

To find the square root of any number you must see what the number that you are trying to find the square of then you look at it and think what number times itself equals this number that you are trying to find the square root of the you solve it...

But in this case you have to divide 8 by 2 then find the square root of 4 which is 2

So there is your answer, Hope this helps:)

Step-by-step explanation:

Well, the answer is 2.

7 0
3 years ago
A rectangle has an area of 72 swaure units. The width of the rectangle is 9 units. The length of the rectangle is 2x + 4. What i
vichka [17]

Answer:

8 units

Step-by-step explanation:

<u>Area of a rectangle</u> = <em>Width</em> multiplied by Length

Substitute in all the known numbers into this formula to get

<u>72</u> = <em>(9)</em> × (2x+4)

Solve the equation for x, to find out the length

9(2x+4)=72

2x+4=72/9

2x+4=8

2x=8-4

2x=4

x=4/2

x=2

Length of the rectangle = (2x+4)

2(2)+4

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5 0
3 years ago
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slavikrds [6]

Answer:

A and E

Step-by-step explanation:

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3 0
3 years ago
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