Question

5) The mean of 'x' scrores is 'y' . then find the sum of scrores

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Answer 1

Answer:

If the mean of x scores is y, then the sum of scores is xy

Step-by-step explanation:



Given the mean of x scores = y

Mean of x scores = sum of x scores / x

That is, y = sum of x scores / x

Then, the sum of x scores = xy

Therefore, the sum of x scores is xy