Which measure of center is the most appropriate for this data set?
20, 6, 42, 13, 15, 10, 9, 12, 12
A.
mean
B.
median
C.
mode
D.
mean absolute median
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Answer:
The data are20, 6, 42, 13, 15, 10, 9, 12, 12 You can arrange the numbers from least to greatest6, 9, 10, 12, 12, 13, 15, 20, 42 The mean of this data set is 15.44 The median is 12 The mode is 12 Since the data is normally distributed, the correct measure of center is the mean.
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