Suppose you reject the null hypothesis in an ANOVA test comp

Suppose you reject the null hypothesis in an ANOVA test comparing four populations. Tukey HSD 95% confidence intervals are given below. Which populations are significantly different? (Select all that apply)

Solution

population 1-2 , populations 1-4 , populations 2-4 , populations 3-4......

( hypothesized mean diffrence was zero...see in the cinfidence interval ... populations 1-2 , 1-4 , 2-4 and 3-4 doesn\'t include the pt. \" 0 \" in it\'s range and hence are significantly different)