Essay
A career counselor wants to understand if the average annual earnings differ by educational attainment.The counselor uses three education levels: high school or less,undergraduate degree,and Master's degree or more.After collecting data,the resulting incomplete one-way ANOVA table and Tukey's confidence intervals are shown below. 
A)Complete the ANOVA table.
B)Set up the competing hypothesis to test whether there are differences in mean annual salary between the different education levels.
C)At the 5% significance level,what is the conclusion to the test?
D)If significant differences exist,use Tukey's confidence intervals to determine which educational levels have different mean annual earnings.
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