3 years ago

Help me i need it so bad

Mathematics

1 answer:

Alona [7]3 years ago

4 0

Answer:26 retart

Step-by-step explanation:

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The following is a set of hypotheses, some information from one or more samples, and a standard error from a randomization distr

Alex73 [517]

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The value of the standardized z-test statistic is -6.4.

Step-by-step explanation:

The test statistic is:

$z = \frac{X - \mu}{s}$

In which X is the sample mean, $\mu$ is the value tested at the null hypothesis, and s is the standard error.

0.28 is tested at the null hypothesis:

This means that $\mu = 0.28$

p ^ 0.216 with SE 0.01

This means that $X = 0.216, s = 0.01$

Then

$z = \frac{X - \mu}{s}$

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The value of the standardized z-test statistic is -6.4.

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