The table displays the mean name length for seven samples of students. SampleMean Name Length15.427.136.345.256.064.976.2What can be said about the variation between the sample means?

The sample means range from 4.9 to 7.1, a difference of only 2.2. Since the means are clustered fairly close together, the variation between them is small. The best choice is “The variation between the sample means is small.”

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