Answer:
option B is correct
Step-by-step explanation:
since here we want to see if there is a relationship between two variables (taking different drug and headache levels_)
option B is correct
B. test of independence
18,267, 2728,2729110,72829183836,261729340
I really don’t know but I hope you find the correct answer
Answer:
![10\sqrt{5}](https://tex.z-dn.net/?f=10%5Csqrt%7B5%7D)
Step-by-step explanation:
![\sqrt{500}\\\\ \sqrt{2^2*5^2*5}\\\\\sqrt{2^2}\sqrt{5^2}\sqrt{5}\\\\2\sqrt{5^2}\sqrt{5} \\\\2*5\sqrt{5}\\\\10\sqrt{5}](https://tex.z-dn.net/?f=%5Csqrt%7B500%7D%5C%5C%5C%5C%20%5Csqrt%7B2%5E2%2A5%5E2%2A5%7D%5C%5C%5C%5C%5Csqrt%7B2%5E2%7D%5Csqrt%7B5%5E2%7D%5Csqrt%7B5%7D%5C%5C%5C%5C2%5Csqrt%7B5%5E2%7D%5Csqrt%7B5%7D%20%5C%5C%5C%5C2%2A5%5Csqrt%7B5%7D%5C%5C%5C%5C10%5Csqrt%7B5%7D)
Answer:
b
Step-by-step explanation:
only b has 10 didgets. it could be a since the didgets aren't very random, but then again, i think it's b