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ZanzabumX [31]
3 years ago
10

30 points please help!!

Mathematics
1 answer:
Nataly_w [17]3 years ago
3 0
The answer to this question is ‘B’
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(-2,-1) is a solution of the equation 4x + 5y = -13.
Art [367]

Answer:

true

Step-by-step explanation:

4x + 5y = -13.

Substitute the point in

4(-2) + 5(-1) = -13

-8+-5 = -13

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Identify the symbols used for each of the following: (a) sample standard deviation: (b) population standard deviation; (c) sampl
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Answer:

a) The symbol for sample standard deviation is S

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c) The symbol for sample variance S^{2}

d)The symbol for population variance is б^{2}

Step-by-step explanation:

Step 1:-

Population:-  Population consists of the total of the observations with which we are concerned.

Parameters:-  The statistical constants of the population namely mean , varianceб ^{2} and standard deviation 'б '

Sample:-  A sample is a subset of a Population

statistics:-

he statistical constants of the sample namely mean , varianceS ^{2} and standard deviation 'S '

step2:-

a) The symbol for sample standard deviation is S

b) The symbol for population standard deviation is б (sigma)

c) The symbol for sample variance S^{2}

d)The symbol for population variance is б ^{2}

8 0
3 years ago
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Answer:

Step-by-step explanation:

the answer is explained in the picture

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