Question

the mean of x scores is y find the sum of the scores​

Answer 1

Sum of scores = xy.

We are given in the question that the mean of x scores = y.

Mean of any n numbers/scores = Sum of values of those number/amount of numbers.

In the question we are given that we have x scores and their mean =y.

=> y= sum of all the x scores/amount of scores.

amount of scores = x.

=> y = sum of x scores/x.

=> we get that sum of the x scores = xy.

Answer 2

Answer:

xy

Step-by-step explanation:

We know that mean = $\frac{Sum of observations}{No. of observations}$

Here we have sum of observations as x

and mean as y

Therefore, y = $\frac{Sum}{x}$

And hence sum = xy

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