Asked by Raquel Placito-Tovar on Jul 14, 2024
Verified
What is the value of XD for the following set of five difference (D) scores: -6, 1, -7, -3, -13?
A) -2.80
B) -4.60
C) -5.00
D) -5.60
Difference Scores
The subtraction results of one set of numerical data from another, used to analyze changes or effects in experiments.
- Compute and understand the significance of t-statistic values.
Verified Answer
KM
Karina MolinaJul 16, 2024
Final Answer :
D
Explanation :
The value of XD is calculated by finding the mean of the difference scores. The sum of the difference scores (-6 + 1 - 7 - 3 - 13) is -28. Dividing this sum by the number of scores (5) gives -28 / 5 = -5.60.
Learning Objectives
- Compute and understand the significance of t-statistic values.
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