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Behavioral Sciences STAT

Mathematics

Quiz 3 :

Summarizing Scores With Measures of Central Tendency

Quiz 3 :

Summarizing Scores With Measures of Central Tendency

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With respect to other scores in a distribution, measures of central tendency
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B

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With respect to a graph of a frequency distribution, a positive deviation score
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A

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Adding numbers is an important procedure in statistics.Instead of saying "add up all of the scores," we use the symbol
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C

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The mode is defined as
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Why shouldn't the mode be used with the following set of scores? 2, 5, 3, 3, 4, 2, 4, 5, 1, 1
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The mean is the preferred measure of central tendency when
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When we graph results from an experiment, a line graph is appropriate when
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An experimenter investigated the ability to concentrate under different conditions of crowding.Concentration was measured as the amount of time it took the participant to complete a word puzzle.How should the experimenter summarize the scores on the dependent variable?
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To obtain the mean, we would
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The mean is used most often in behavioral research because researchers tend to
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When we graph the results of an experiment, the Y axis indicates the
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The median is defined as
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A deviation is more informative than a raw score because it
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The median is the appropriate measure of central tendency when
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The best predictor of an individual score in a sample of scores is the
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When we refer to a score's deviation, we are referring to
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The mean is defined as
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In order to decide which measure of central tendency is appropriate, you must first determine
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When a very skewed distribution is involved,
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Error refers to expected errors in predicting unknown scores and is represented by
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