Problema Solution
The mean height of 5 students is 61.6 If one students leaves, the mean height becomes 59.75. What is the height of the absent student?
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The mean height of 5 students is 61.6 If one students leaves, the mean height becomes 59.75. What is the height of the absent student?
Solution:
61.6 * 5 - 59.75 * 4 = 69