Stats Solutions

(Solved) The CEO at Au Associates would like to think head size correlates with intelligence. He took head breadth measurements of managers at three major

Question: The CEO at Au & Associates would like to think head size correlates with intelligence. He took head breadth measurements of managers at three major departments.  There are 7 managers at each department.  The head breadths are tabulated as follow:

Security Department Accounting Department Marketing Department
124 134 131
126 128 128
118 125 125
138 129 140
125 134 138
129 127 ----
133 ---- ----

Apply one-way ANOVA to determine for the above data set, the SS(treatment), MS(treatment), SS(error), and MS(error).  Again, do not depend on program software to obtain your answers.

Determine the F -statistic, and the corresponding critical value of F .

Is there sufficient evidence to claim that there is difference in intelligence level, head size, among the three major departments?

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