The Data Below Shows Samples of Annual Salaries (In $1000s)

question 58

Essay

The data below shows samples of annual salaries (in $1000s) for accountants in two different firms. $$\begin{array}{l}\text { Company A}&\text { Company B }\\74.8 & 83.3 \\78.2 & 65.7 \\69.9 & 82.1 \\84 & 78.5 \\65.7 & 69.7 \\66.8 & 77.7 \\72.1 & 66.7 \\77.4 & 78.4 \\79.3 & 79.2 \\69.1 & 80.1 \\& 74.9 \\& 69.8\end{array}$$ Use Excel to determine whether the variance in salaries in Company A differs from that of Company B. Use a .10 level of significance.

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