Guitars XY. US has three stores located in three different areas. Random samples of the sales of the three stores (in $1000) are recorded and part of the ANOVA table is shown below. Guitars XY. US wants to determine whether the mean sales of its three stores are all equal. ANOVA Source of Variation SS df MS F P-value F crit Between Groups 36 ? 0.8526 ? Within Groups ? 9 21.1111 (Error) Total 226 11 How should these data be analyzed? O ANOVA Two-Factor without Replication O ANOVA Two-Factor with Replication O ANOVA Single-Factor