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The Weekly Salaries (In Dollars)of 24 Randomly Selected Employees of a Company

Question 55

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The weekly salaries (in dollars) of 24 randomly selected employees of a company are shown below,and displayed on the following boxplot. 31032045046047050052054058060065070071084087090010001200125013001400172025003700\begin{array} { r r r r r r r r } 310 & 320 & 450 & 460 & 470 & 500 & 520 & 540 \\580 & 600 & 650 & 700 & 710 & 840 & 870 & 900 \\1000 & 1200 & 1250 & 1300 & 1400 & 1720 & 2500 & 3700\end{array}
The weekly salaries (in dollars) of 24 randomly selected employees of a company are shown below,and displayed on the following boxplot. \begin{array} { r r r r r r r r } 310 & 320 & 450 & 460 & 470 & 500 & 520 & 540 \\ 580 & 600 & 650 & 700 & 710 & 840 & 870 & 900 \\ 1000 & 1200 & 1250 & 1300 & 1400 & 1720 & 2500 & 3700 \end{array} Find the IQR and the standard deviation.Which is the most appropriate measure of spread? A) IQR: $789.3; standard deviation: $740 The IQR is the most appropriate measure of centre because of the outliers. B) IQR: $715; standard deviation: $769 The standard deviation is the most appropriate measure of centre because of the outliers. C) IQR: $715; standard deviation: $769 The standard deviation is the most appropriate measure of centre because the outliers are not significant in the distribution. D) IQR: $715; standard deviation: $769 The IQR is the most appropriate measure of centre because the outliers are not significant in the distribution. E) IQR: $715; standard deviation: $769 The IQR is the most appropriate measure of centre because of the outliers. Find the IQR and the standard deviation.Which is the most appropriate measure of spread?


A) IQR: $789.3; standard deviation: $740 The IQR is the most appropriate measure of centre because of the outliers.
B) IQR: $715; standard deviation: $769 The standard deviation is the most appropriate measure of centre because of the outliers.
C) IQR: $715; standard deviation: $769 The standard deviation is the most appropriate measure of centre because the outliers are not significant in the distribution.
D) IQR: $715; standard deviation: $769 The IQR is the most appropriate measure of centre because the outliers are not significant in the distribution.
E) IQR: $715; standard deviation: $769 The IQR is the most appropriate measure of centre because of the outliers.

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