Te difference of 2 standard deviation of a population n1 & n2 is given by the formula:
sigma (difference)=√(sigma1/n1 + sigma2/n2), Plug:
sigma(d)= √(49/100 + 36/50)
Sigma(d=difference) =1.1
Answer:
Step-by-step explanation:
Because it is a square root
Answer:
25 cm squared
Step-by-step explanation:
To find area we multiply the side lengths
5cm x 5cm=25 cm squared
10 is a good number because is what adds to 100 and the number 100 is lucky. This is what i think.
Answer:
70
Step-by-step explanation:
