71, 80, 82, 78, 80, 91, 107, 121, 125, 131, and 142. The variance of this data set is?
adoni [48]
Answer:
636.41818
Step-by-step explanation:
^2=∑=1(−⎯⎯⎯)2−1
^2=−1
^2=6364.181811−1
^2=6364.181810
^2=636.41818
I hope this helps :)
The answer would be neither because it is on both the odd(bottom side) and even sides
First multiply the equation by 5 to get y by itself.

Then subtract 35 from each side to get the integer by itself.
So, final answer:
Answer:
3x
Step-by-step explanation:
givens: x=4
now try your options:
3(4)+3=15
12+3=15
15=15
The first option is correct, therefore the answer is 3x