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Drupady [299]
3 years ago
12

Kelsey is going to graph the ordered pairs that are represented by this table on a coordinate plane

Mathematics
1 answer:
gayaneshka [121]3 years ago
3 0

Answer:

4

Step-by-step explanation:

Since there are 4 columns of x and y values the answer is 4.

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Answer:

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Step-by-step explanation:

For this case we know the population deviation given by:

\sigma = 5.5

And we have a sample size of n =81. We want to estimate the standard error of the sampling distribution \bar X and for this case we know that the distribution is given by:

\bar X \sim N(\mu ,\frac{\sigma}{\sqrt{n}})

And the standard error would be:

\sigma_{\bar x}= \frac{\sigma}{\sqrt{n}}

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