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Of the 13 employees in a certain department, 1 has an annual salary of

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Of the 13 employees in a certain department, 1 has an annual salary of  [#permalink]

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New post 24 Feb 2013, 07:47
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A
B
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D
E

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Question Stats:

77% (01:20) correct 23% (01:20) wrong based on 180 sessions

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Of the 13 employees in a certain department, 1 has an annual salary of 38,000, 2 have an annual salary of 45,000 each, 2 have an annual salary of 42,500 each, 3 have an annual salary of 40,000 each and 5 have an annual salary of 48,500 each. What is the median annual salary for the 13 employees?

A. 38,000
B. 40,000
C. 42,500
D. 45,000
E. 48,500

I got this incorrect, I know I'm missing an easy concept here but I really can't grasp it. I don't think the questions wants you to add and divide by 13. Any insight would help, thanks.

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Re: Of the 13 employees in a certain department, 1 has an annual salary of  [#permalink]

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New post 24 Feb 2013, 07:52
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DelSingh wrote:
Of the 13 employees in a certain department, 1 has an annual salary of 38,000, 2 have an annual salary of 45,000 each, 2 have an annual salary of 42,500 each, 3 have an annual salary of 40,000 each and 5 have an annual salary of 48,500 each. What is the median annual salary for the 13 employees?

1) 38,000
2) 40,000
3) 42,500
4) 45,000
5) 48,500

I got this incorrect, I know I'm missing an easy concept here but I really can't grasp it. I don't think the questions wants you to add and divide by 13. Any insight would help, thanks.


Median is just the value in the middle when you arrange all values in the ascending order

In this question, the 7th value would be the median (Since there are 13 employees)

38, 40, 40, 40, 42.5, 42.5, 45

So, answer is D.
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Re: Of the 13 employees in a certain department, 1 has an annual salary of  [#permalink]

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New post 16 Feb 2018, 21:33
Median is the middle observation,
If yo arrange the given set of observations in ascending or descending order answer would be D
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Re: Of the 13 employees in a certain department, 1 has an annual salary of  [#permalink]

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New post 07 Mar 2019, 00:48
Oh this is brutal. GMAT gives first two salaries in ascending order and so I assumed that all salaries are given in ascending order and got it wrong.
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Re: Of the 13 employees in a certain department, 1 has an annual salary of  [#permalink]

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New post 01 May 2019, 17:18
DelSingh wrote:
Of the 13 employees in a certain department, 1 has an annual salary of 38,000, 2 have an annual salary of 45,000 each, 2 have an annual salary of 42,500 each, 3 have an annual salary of 40,000 each and 5 have an annual salary of 48,500 each. What is the median annual salary for the 13 employees?

A. 38,000
B. 40,000
C. 42,500
D. 45,000
E. 48,500


Since (13 + 1)/2 = 7, the median is the 7th value when the salaries are ordered from least to greatest.

The salaries from least to greatest are:

38,000 (1st)

40,000 (2nd to 4th)

42,500 (5th and 6th)

45,000 (7th and 8th)

Thus, the median salary is 45,000.

Answer: D
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Re: Of the 13 employees in a certain department, 1 has an annual salary of   [#permalink] 01 May 2019, 17:18
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