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 :)
Answer:
Step-by-step explanation:
larger rectangle:
22 x 12 = 264
to find unlabeled rectangle:
18 - 12 = 6
22 - 15 = 7
6 x 7 = 42
total area:
264 + 42 = 306
306/16.25 = 18.83
you can't buy 18.83 cases, so you round up and buy 19
Answer: C) 210
Step-by-step explanation:
Multiplica 0.25 y 840 para encontrar el 25% de 840
Hello!
For this one, all of them look like you can use mental math, but maybe choose the two middle ones and the bottom right one.
Hope this helps :))
