Answer:
do you have a pic
Step-by-step explanation:
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:lydra=21,horatio=17
Step-by-step explanation:
Answer:
y=x/4
Step-by-step explanation:
i don't know if this is right but i hope this helps :)