3 years ago

Describe the difference between the calculation of population standard deviation and that of sample standard deviation.

Mathematics

1 answer:

taurus [48]3 years ago

3 0

Answer:

View graph

Step-by-step explanation:

The population refers to the whole set under study, while the sample is a representative part of that population.

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Usimov [2.4K]

Answer:

Step-by-step explanation:

$\cos( \alpha ) + i\sin( \alpha ) = {e}^{i (\alpha + 2\pi)}$

z = 3(cos π/2 + i sin π/2) =→

$3 {e}^{i \frac{\pi}{2} }$

z⁷ =

${3}^{7} {e}^{i \frac{7\pi}{2} } = {3}^{7} {e}^{i \frac{(7 - 4)\pi}{2} } = {3}^{7} {e}^{i \frac{3\pi}{2} } = {3}^{7} ( \cos( \frac{3\pi}{2} ) + i \sin( \frac{3\pi}{2} ) ) = 2187( \cos( \frac{3\pi}{2} ) + i \sin( \frac{3\pi}{2} ) )$

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2 years ago

Seven students in class A and ten students in class B ate pizza. There are 25 students in class A and 30 students in class B. Wh

Pavlova-9 [17]

Answer:

=18/20

Step-by-step explanation:

• 25 - 7 = 18

• 30 - 10 = 20

= 18/20

if u reduce = 9/10

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2 years ago

Combine like terms to simplify the expression: -4 + 7 − 2x + 10x = ______

exis [7]

Answer:

3 + 8x

Step-by-step explanation:

8 0

2 years ago

Read 2 more answers

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ddd [48]

Answer:

the answer is b -2u +w

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3 years ago

A jar contains only pennies, nickels, dimes, and quarters. There are 23 pennies, 22 dimes, and 20 quarters. The rest of the

goldfiish [28.3K]

Answer:

1. 65 coins

2. 79 - (23 + 22 + 20) = n

Step-by-step explanation:

You can use the expression 23 + 22 + 20 to get the amount of coins that are not nickles. And for two? Try it yourself.

Hope this helps. Have a nice day.

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3 years ago