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27 August, 19:22

A repeated-measures study uses a total of n = 10 participants to compare two treatment conditions. How many scores are measured in this study, and how many scores are actually used to compute the sample mean and the sample variance? Group of answer choices

20 measured and 10 used

20 measured and 20 used

10 measured and 10 used

10 measured and 20 used

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Answers (1)
  1. 27 August, 21:09
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    20 measured and 10 used

    Step-by-step explanation:

    Total number of participants is given as n = 10.

    Number of treatment conditions = 2

    Total measurements is therefore 2 * 10 = 20

    Therefore, in total, 20 scores will be measured in the given study.

    Now there are two samples and for each sample, for each sample we need to calculate the mean = Sum of value (measures) / Number of measures

    mean = Sum of value (measures) / 10

    Therefore, we are going to have 20 measured and 10 used to calculate the sample mean and the sample variance.
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Home » Mathematics » A repeated-measures study uses a total of n = 10 participants to compare two treatment conditions. How many scores are measured in this study, and how many scores are actually used to compute the sample mean and the sample variance?
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