Effect size is measure of the magnitude of difference between ____ groups, usually calculated as Cohen’s d

Answer

Correct Answer:
Two

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In which mean is used to compare a sample mean in one sample z test?

Answer

Correct Answer:
Population

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The sampling distribution is a distribution of ______ means based on random ______ of a fixed size from a ______.

Answer

Correct Answer:
Sample; samples; population

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A parametric inferential statistical test of the null hypothesis for a single sample where the population variance is known is the ______.

Answer

Correct Answer:
Z-test

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What is the critical value?

Answer

Correct Answer:
The inner edge of the region of rejection

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What is the standard error of the mean for a distribution of scores where standard deviation for the population = 24 and the size of the sample = 144?

Answer

Correct Answer:
2.0

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If the obtained value is higher than the critical value, we ______.

Answer

Correct Answer:
Accept the null hypothesis

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When can the z-test be used in statistical hypothesis testing?

Answer

Correct Answer:
When the raw score population’s standard deviation is known

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The standard error of the mean will always be ______ the standard deviation for a distribution of individual scores.

Answer

Correct Answer:
Smaller than

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What is the standard error of the mean for a distribution of scores where the standard deviation for the population = 15 and the size of the sample = 100?

Answer

Correct Answer:
1.5

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What is the purpose of the critical value?

Answer

Correct Answer:
To determine the size of the region of rejection

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The standard deviation of the sampling distribution is called the ______.

Answer

Correct Answer:
Standard error of the mean

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What is the standard error of the mean for a distribution of scores where standard deviation for the population = 50 and the size of the sample = 75?

Answer

Correct Answer:
5.77

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