Answer:
Given that
Marks of ten friends
23%, 37%, 45%, 49%, 56%, 63%, 63%, 70%, 72% and 82%
Mean = 56
Variance = 284.6
Standards deviation = 16.9
Answer:
a is the answer hope this help:D
Step-by-step explanation:
Answer:
use ph0tomath it'll answer it for you and show how to do it
The first one is eight 4400-2400=2000 2000/250=8