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

question 89

Multiple Choice

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 mean and the median.Which is the most appropriate measure of centre?

• A)Mean: $979; Median: $705 The median is the most appropriate measure of centre because the outliers are not significant in the distribution.
• B)Mean: $942; Median: $700 The median is the most appropriate measure of centre because of the outliers.
• C)Mean: $979; Median: $705 The mean is the most appropriate measure of centre because the outliers are not significant in the distribution.
• D)Mean: $979; Median: $705 The median is the most appropriate measure of centre because of the outliers.
• E)Mean: $979; Median: $705 The mean is the most appropriate measure of centre because of the outliers.

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Definitions:

Larger Brains

Refers to species or individuals that have relatively bigger brains, often associated with higher cognitive functions.

Primates

An order of mammals including humans, monkeys, and apes, characterized by large brains, forward-facing eyes, and opposable thumbs.

Brain Size

The volume or weight of the brain, often discussed in relation to body size or intelligence across different species.

Radiator Hypothesis

The theory suggesting that the design of the human brain's vascular system evolved to help dissipate heat generated by increased metabolic activity.