1. The ____ measures the ______ of a distribution of scores for a variable. a.Mo
ID: 3352095 • Letter: 1
Question
1. The ____ measures the ______ of a distribution of scores for a variable.
a.Mode; variability. b. Mean; variability. c.Variance; symmetry. d. Range; modality. e. Standard deviation; variability.
2.
Imagine after grading an exam an instructor looks at the distribution of scores and concludes the distribution is asymmetrical. Which of the following would most likely lead to this conclusion?
a.The range is very large.
b.The mean and median are the same.
c.There are two modes.
d.The mean and median are different.
a.The range is very large.
b.The mean and median are the same.
c.There are two modes.
d.The mean and median are different.
Explanation / Answer
1. The standard deviation measures the variability of a distribution ofscores for a variable.
Option e is correct.
2. If the data is asymmetrical then mean and median will not be equal.
Hence,
Option D is correct.
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