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The table shows the results of a poll which asked drivers how many acc

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The table shows the results of a poll which asked drivers how many acc [#permalink]

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New post 16 May 2016, 02:36
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56% (00:59) correct 44% (01:19) wrong based on 110 sessions

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The table shows the results of a poll which asked drivers how many accidents they had had over the previous 5 years. What is the median number of accidents per year?

A. 0.5
B. 1
C. 1.5
D. 2
E. 4

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Re: The table shows the results of a poll which asked drivers how many acc [#permalink]

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New post 16 May 2016, 03:59
Total Number of Drivers : 17 +13 + 21 + 4 + 2 + 2 + 1 = 60
So, the median number of accidents per year should be between the 30th and the 31st driver
The 30th driver had committed 1 accident
The 31st driver had committed 2 accidents

The median = 1+2 /2 = 1.5 accidents per year

Option C
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Re: The table shows the results of a poll which asked drivers how many acc [#permalink]

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New post 16 May 2016, 04:19
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My answer is C.

Explanation:
If we list the given info in sequence we will be writing as 17 zeros, 13 ones, 21 twos etc.
Since there are 60 drivers (even no.), the median will come between 30th (n/2) driver sec. and 31st (n/2 + 1) driver sec. We can already see that starting at the zero end, the 30th driver will be in the ones section of the list, but the 31st driver will be in the twos section. Hence the median is 1.5.

Please post the ans.

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Re: The table shows the results of a poll which asked drivers how many acc [#permalink]

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New post 16 May 2016, 19:39
Good one.

You don't have to do any calculations for this one.Just see the no. of drivers who said that they encountered 0,1,2 no. of accidents.Its hunge as compared to all others.Hence,the answer will be less than 2 but more than 1.
And since here the choices are quite easy,the answer is C i.e 1.5.

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The table shows the results of a poll which asked drivers how many acc [#permalink]

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New post 01 Jan 2018, 03:54
good one. This is kind of an illusion. Helps to clear the basics
The table shows the results of a poll which asked drivers how many acc   [#permalink] 01 Jan 2018, 03:54
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The table shows the results of a poll which asked drivers how many acc

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