The height (in cm) of 7 students of class 7th in a school are 142, 153, 166, 161, 165, 149, 156. Find the mean height.
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Answer:
mean or average=sum of observations/number of observations.
Step-by-step explanation:
142+153+166+161+165+149+156/7=1092/7=156
156 is the mean height. hope it helps
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