No, it is not. If you see closely, the number 5.2 is not 52. 60 is greater than 5.2.
Layla bu la 520 and glue 729
We have been given that the standard deviation of a group of 20 scores is 15 and we are asked to find variance.
Since we know variance is square of standard deviation. In order to find out the variance of the given data we have to take the square of 15.

Therefore, our variance is 225.
Answer:
Step-by-step explanation:
x^2 + 6x - 2x - 3
x^2 + 4x - 3
answer is C
You got this you can do it I don’t know the answer but I hope you find someone who does(: