3 years ago

Find the value of x. Please help me!!!!!!

Mathematics

1 answer:

Katen [24]3 years ago

3 0

Answer:

I think this will help you.

Step-by-step explanation:

hi This will help you to do this

answer is 5

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mariarad [96]

Answer:

x = 31

Step-by-step explanation:

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2 years ago

Consider these five values a population: 8, 3, 7, 3, and 4.a.determine the mean of the population.b.determine the variance

Elodia [21]

Mean of the sample 8,3,7,3,4 is given by:
$\mu=\frac{ \Sigma x_i}{n}$
summation of x is:
$\Sigma x_i=8+3+7+3+4=25
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$
hence
$\mu= \frac{25}{5}=5$

The variance will be
$\sigma^2= \frac{\Sigma(x- \mu)^2}{n} 
$
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$

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3 years ago