Question: Select the true statement about ANOVA. If a researcher wants to study the effectiveness of three brands of cough medicine, the researcher should use a

Select the true statement about ANOVA. If a researcher wants to study the effectiveness of three brands of cough medicine, the researcher should use a One-Way ANOVA test. If a researcher wants to compare the mean salary of females in different age groups at a particular company to the mean salary of males in different age groups at the same company, the researcher should use a One-Way ANOVA test. If a researcher wants to compare the mean wages of females in different age groups at a particular company, he or she should not use an ANOVA because the population means are unknown. A one-way ANOVA hypothesis test considers comparisons between populations based on multiple characteristics, while a two-way ANOVA hypothesis test considers comparisons between populations based on one characteristic

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