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nadya68 [22]
2 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]2 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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What is the solution to the system of equations? Use the substitution method. {y=−2x+53x−4y=2
klio [65]

y =  - 2x + 53x - 4y = 2 \\  y  = 51x - 4y = 2 \\  > y = 51 x - 4y \\  > 51x - 4y = 2
y = 51x - 4y \\ 5y = 51x \\ y =  \frac{51}{5} x
Substitute 51/5x into
51x - 4( \frac{51}{5} x) = 2 \\ 51x - 40.8x = 2 \\ 10.2x = 2 \\ x = 2 \times  \frac{10}{102}  \\ x =  \frac{10}{51}  \: aka \: 0.196
Substitute that into
y =  \frac{51}{5}  \times  \frac{10}{51}  \\ y = 2
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8 0
2 years ago
Can someone please explain #7 to me
sergeinik [125]

Answer:

$28

Step-by-step explanation:

You subtract $44 from $100 since that is the cast of the jeans. Then get left remaining with $56. Since he wants to buy 2 shirts only you divide 56 by 2 to then equaling $28. So then each shirt is $28.

5 0
3 years ago
When these data are graphed on a coordinate grid, the points all lie on the same line. What are the slope and y-intercept of thi
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Answer:

I know this is late but here

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6 0
3 years ago
(b) For a function h(theta)=sin3 theta (Theta is in Radian). <br> Find h(pi/3)<br> Find h(pi/2)
vaieri [72.5K]

Part (i)

Plug in theta = pi/3 to get

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<h3>Answer: 0</h3>

=================================================

Part (ii)

Plug in h = pi/2

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h(pi/2) = -1

<h3>Answer:  -1</h3>
5 0
3 years ago
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Vikentia [17]

Answer:

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Step-by-step explanation:

I think is B because solar power never run out.

(For the next 5000000000 years at least...)

4 0
2 years ago
Read 2 more answers
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