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Mathematics 21 Online
OpenStudy (anonymous):

The salaries, in thousands of dollars, of 11 people, chosen at random in a certain office, were found to be : 40, 42, 45, 41, 352, 40, 50, 48, 51, 49, 47 Choose and calculate an appropriate measure of central tendency (mean, mode or median) to summarise these salaries. Explain briefly why the other measures are not suitable.

OpenStudy (anonymous):

@dpaInc

OpenStudy (anonymous):

@Callisto

OpenStudy (anonymous):

I know how to calculate, but I'm not sure which measure of central tendency to use and why the others are not applicable.

OpenStudy (callisto):

Is it using median?

OpenStudy (anonymous):

I thought so, but I'm not completely sure. Because with mode, it's 40, and with mean, it's 70 something. But with median, it's 47..?

OpenStudy (callisto):

If we use mode, then the value would be the lowest => not fair If we use mean, as there is a 'super large' number , 352, the mean would probably increase because of that outrageous number. So it's not fair to use it. The only option left is median, which gives a more accurate value

OpenStudy (callisto):

Does that make any sense to you? I'm just guessing ...

OpenStudy (anonymous):

Yes. :D

OpenStudy (callisto):

Glad to hear :)

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