Tellers A bank is studying the time that it takes 6 of itstellers to serve an average customer. Customers line up inthe queue and then go to the next available teller. Here isa boxplot of the last 200 customers and the times it tookeach teller: ANOVA Table Source DFSum ofSquaresMeanSquare F-Ratio P-ValueTeller 5 3315.32 663.064 1.508 0.1914Error 134 58919.1 439.695Total 139 62234.4a) What are the null and alternative hypotheses?b) What do you conclude?c) Would it be appropriate to run a multiple comparisons test (for example, a Bonferroni test) to see which tell-ers differ from each other? Explain.

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