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Question
A frequency distribution of a sample is called a probability distribution.Answer
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Related questions
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Sketch an example of each of the following (be sure to label everything clearly):
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The independent samples t-test tests the differences between means taken from two independent samples or groups.
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Practically speaking, what is the first thing a researcher should do when interpreting ANOVA results?
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The key statistical test for an ANOVA model is the _____.
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In a study comparing the means of two groups in which there are 45 males in Group 1 and 37 females in Group 2, the degrees of freedom for this study when using the t-test for the difference between means is:
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b. 80
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d. 160
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In using the t-test to compare the means of two groups, the degrees of freedom are calculated as _____.
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Checking the data collection forms to correct omissions, illegibly written responses, and the consistency of answers is called ______.
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Any procedure that involves selecting a small number of people who are part of a larger population of people is called ______.
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