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?
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Correct Answer:
Population
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The sampling distribution is a distribution of ______ means based on random ______ of a fixed size from a ______.
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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?
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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 ______.
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Correct Answer:
Accept the null hypothesis
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When can the z-test be used in statistical hypothesis testing?
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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.
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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?
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Correct Answer:
1.5
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What is the purpose of the critical value?
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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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