The standard deviation is the square root of the variance...so that means the variance is the standard deviation squared.
2.3^2 = 5.29 <===
Answer: 4/10
Step-by-step explanation:
Root of 49
Solutions are 7 and -7
We know that 7 is the square root of 49.
A negative number multiplied by itself gives positive
So -7 is also a square root of 49
8% of what number is 2 - 268832
11. m=5 p=15
12. g=3 k=3
13. b=40
