Answer :
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
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