The data on a line
The seven scores are on a number line. The mean, 75.71, is where they balance. One standard deviation, 12.37, on each side, from 63.34 to 88.09, holds five of the seven scores.
The seven scores are on a number line. The mean, 75.71, is where they balance. One standard deviation, 12.37, on each side, from 63.34 to 88.09, holds five of the seven scores.
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