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The mean of 100 observations is 50 and their standard deviation is 5. The sum of squares of all the observations is
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Question 1
The following values are calculated in respect of heights and weights of the students of a section of Class XI: Height Weight Mean 162.6 cm 52.36 kg Variance 127.69 23.1361Can we say that the weights show greater variation than theQuestion Text | The mean of 100 observations is 50 and their standard deviation is 5. The sum of squares of all the observations is |