Answer is: C
√11 ≈ 3.3661
Which the closest to your answers is 3.3
Patty because she has the lowest time out of them all. From least to greatest Patty would be the least with her time being shorter than the rest
Population mean = (7+8+6+6+6+4+4+1+2+7+6+1+1+1+3+3+5+4+5+7) / 20 = 87/20 = 4.35 <==
sample mean = (4+5+7) / 3 = 16/3 = 5.33 <==
The denominator tells you the total amount of pieces.
257 is a whole number, interger, and a rational number.