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23 Jan 2019, 02:19
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E
Be sure to select an answer first to save it in the Error Log before revealing the correct answer (OA)!
Difficulty:
15%
(low)
Question Stats:
91% (01:16) correct
9%
(00:53)
wrong
based on 40
sessions
History
Date
Time
Result
Not Attempted Yet
What is the median value of the integers from 14–80, inclusive?
A 43
B 44
C 45
D 46
E 47
A 43
B 44
C 45
D 46
E 47
manggarai
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23 Jan 2019, 05:05
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IMO E. 47
There are 67 integers between 14, 80. [80-14]+1=67. The median for an odd number of integers in a set is the average of the first and last integers ie. 33.5 then 14+33.5= 47.5 must round down to 47. not sure if its correct.
There are 67 integers between 14, 80. [80-14]+1=67. The median for an odd number of integers in a set is the average of the first and last integers ie. 33.5 then 14+33.5= 47.5 must round down to 47. not sure if its correct.
23 Jan 2019, 05:33
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manggarai
I believe:
There are 67 integers between 14, 80. [80-14]+1=67.
Median is not mean. Median is the middle number. So it doesn't have to be the average of the first and last numbers.
If the set has an odd number of elements, the median will be one of the numbers from that set.
If the set has an even number of elements, the median will be inbetween two numbers in the set.
The median will be an integer since it is an odd number of elements. There will be 1 number, the median, and 33 numbers either side of the median.
14+32 (not 33 cause we need to include 14 in the set) is 46
80-32 (not 33 cause we need to include 80 in the set) is 48
Median is 47.
I believe:
There are 67 integers between 14, 80. [80-14]+1=67.
Median is not mean. Median is the middle number. So it doesn't have to be the average of the first and last numbers.
If the set has an odd number of elements, the median will be one of the numbers from that set.
If the set has an even number of elements, the median will be inbetween two numbers in the set.
The median will be an integer since it is an odd number of elements. There will be 1 number, the median, and 33 numbers either side of the median.
14+32 (not 33 cause we need to include 14 in the set) is 46
80-32 (not 33 cause we need to include 80 in the set) is 48
Median is 47.
