Answer:
$75
Step-by-step explanation:
15 x 4 = 60
50 + 15 = 75
I think the correct answer would be A. The standard deviation is used than the variance because the units of variance are squared units. It does not say anything or is meaningless while standard deviation has the same units as the mean which is a measure of central tendency.
40 * 20% is 8.
In total, 48, if you add them up.
Hope this helped,
-*Starry*
Answer:
I think the error is that the variable x came before the whole number 2.
