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3 years ago

Please help 93 points Look at the pictures below and answer the question please

Mathematics

2 answers:

Illusion [34]3 years ago

6 0

Answer:

1-a 2-c hope im right

Step-by-step explanation:

Sedaia [141]3 years ago

4 0

Answer:

I think the first one is A. if im wrong im sorry but it looks right

I think that the second one is B and im sorry if im wrong but ill make it up to u if i am wrong lol

Step-by-step explanation:

hope this helps

have a great day

im brooke btw

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Answer:

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Step-by-step explanation:

We are given the following in the question:

4, 5, 7, 12

a) unique values for x

4, 5, 7, 12

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$Mean = \displaystyle\frac{\text{Sum of all observations}}{\text{Total number of observation}}$

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c) sampling distribution for samples of size 2

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Sample means are:

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Thus, the list is 4.5, 6.5, 8, 6, 8.5, 9.5

d) mean of the sampling distribution

$\bar{x} = \dfrac{4.5 + 6.5 + 8+ 6 + 8.5+ 9.5}{6} = \dfrac{43}{6} = 7.167$

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