Which of the following is true regarding ANOVA?

a. It is used to test for a difference in medians among three or more populations
b. It is used to test for a difference in means among two populations
c. The acronym stands for analysis of variance
d. Both (a) and (c)

Option d) Both (a) and (c)        

Step-by-step explanation:

ANOVA

It stands for analysis of varianceIt is used to check difference in mean of three or more groups.It can also be used to check the difference between mean of groups.It can also be used to check the difference between medians of groups.There are many types of ANOVA test: one way, two way, etc

Thus, the correct answer is

Option d) Both (a) and (c)