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nadya68 [22]
3 years ago
11

All possible samples of size n are selected from a population and the mean of each sample is determined. What is the mean of the

sample means?
Mathematics
1 answer:
Masteriza [31]3 years ago
8 0

Answer:

The population mean

Step-by-step explanation:

Sample Mean is the mean of of the selected samples while the population Mean is the mean of all the population. The mean of the sampling distribution of the sample mean is equal to the mean of the original distribution (that is the sample mean is equal to the population mean).

The mean of the sample means is always approximately the same as the population mean

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Milo has 2 hours of free time. He spends 2/4 of an hour with his dog. He spends 3/4 of an hour drawing. What fraction of an hour
blagie [28]

Answer: 3/4 of an hour left.


Step-by-step explanation:

Step 1:  2 hours = 4/4 +4/4

Step 2: 4/4 - 2/4 = 2/4

Step 3: 4/4 - 3/4 = 1/4

Step 4: 2/4 + 1/4= 3/4

3 0
4 years ago
3x + 2y = 7 <br>y = x – 4 <br> (3, –1) <br> (2, 6) <br> (6, 2) <br> (–1, 3)
notsponge [240]
3x + 2y = 7

y = x - 4

3x + 2(x - 4) = 7
3x + 2x - 8 = 7
               5x = 7 + 8
               5x = 15
                 x = 15/5
                 x = 3

y = x - 4
y = (3) - 4
y = -1


the solution to the set is (3, -1)

hope this helps :)






7 0
3 years ago
I need help please?!):
motikmotik

Answer:

Option C:   $ \sqrt{\textbf{121}} $

Step-by-step explanation:

Given the side length of a square is 11 units.

Note that $ \sqrt{121} = \pm 11 $

Since, length cannot be negative, we can eliminate - 11.

Hence, the length of the side of the square is 11 units = $ \sqrt{11^2} = \sqrt{121} $.

Hence, the answer.

7 0
3 years ago
Jenna bought a package of 3 chicken drumsticks. If the package weighed 0.399 kg,
Ivan
The answer is 7.5 I’m pretty sure
5 0
3 years ago
6 is a Natural, Whole, and Integer number,<br> True or false
KengaRu [80]

Answer:

This is true!

Step-by-step explanation:

It is natural because it is a positive integer greater than 0, it's whole because its not negative and it is an integer.

8 0
3 years ago
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