The mean of the data is given

The variance of the data is given

<span>X = 65(7)
X = 455
Marla did 455 sit-ups in a week</span>
360 ÷ 6 = 60 (Angles at a point)
Answer: 60°
8505. You would do 63 times 135 to get 8505
Y=12.5x
because 12.5 is the constant and this is a directly proportional equation