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sasho [114]
3 years ago
12

If the sample size is multiplied by 4, what happens to the standard deviation of the distribution of sample means?

Mathematics
1 answer:
Feliz [49]3 years ago
6 0

Increasing the sample size by a factor of 4 or multiplying it by 4 is equal to increasing the standard error by 1/2.  Therefore, the interval will be half as varied.  This also works almost for population averages as lengthy as the multiplier from the t-curve doesn't modify much when increasing the sample size.

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!please help me:( i will give u BRAINLYEST!! Please just help me!!
Oduvanchick [21]

Answer:

Mathematically speaking, both of these are what are called measures. They are ways of getting at the size of something.

The circumference of a circle is a line, which is one-dimensional, which means it has length but zero width. The area of a circle, in contrast, is two-dimensional. This is the essential difference.

The consequence of this is that circumference is measured in units like centrimetres, or inches, or miles. But area is measured in units like square-centimetres, square inches, or square miles.

Is this what you meant?

6 0
3 years ago
Read 2 more answers
Please help!!!!!!!!! need all answers!!!
NikAS [45]
2+2=4 Thats all i know
4 0
3 years ago
Read 2 more answers
Need help on this one
malfutka [58]

Answer:

3

Step-by-step explanation:

To simplify this expression, we will simply work with the numerator, then the denominator, and then the fraction as a whole, following PEMDAS.

Numerator:  12 - 6 + 5 * (-3)^2

= 12 - 6 + 5 * (9)

= 12 - 6 + 45

= 6 + 45

= 51

Denominator:  17

So our simplified fraction is as follows:

51/17

Which can be reduced to the whole number, 3.

Cheers.

3 0
3 years ago
jason order 239,021, pounds of flour to used in his 25 bakeries. The company delivering the flour showed up with 451,202 pounds.
Nimfa-mama [501]
You divide and you get the awncer
3 0
3 years ago
How do you subtract this
Maurinko [17]

To subtract fractions, you need to obtain a common denominator. We can achieve this, in this case, by multiplying:

(\frac{4}{4} * \frac{22}{13}) - (\frac{13}{13}*\frac{21}{4})

Simplify this:

\frac{88}{52} - \frac{286}{52}

Now we have common denominators, so we can easily just subtract the numerators, and we have the answer:

-\frac{198}{52}

Notice that this is divisible by 2:

-\frac{99}{26}

That's your answer!

8 0
3 years ago
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