answer these

Unequal variance between two sets of scores is mostly likely due to: 0 Very high value for means 0 Presence of outliers 0 Very low value for means 0 Absence of outliers To compare the outcome variable (depression scores) of a quasi-experimental study with 4 different groups (subjects in 3 groups were taking 3 different supplements while the 4th was taking a placebo). Which one of the following will be the suitable choice of test: One Sample t test O Chi square test O Paired Samples t test One-Way ANOVA Independent Samples t test