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On a given math test with a maximum possible score of 100
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30 Jul 2018, 09:03
30 Jul 2018, 09:03
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Question Stats:
44% (01:12) correct
55% (01:09) wrong based on 175 sessions
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On a given math test with a maximum possible score of 100 points, the vast majority of the 149 students in a class scored either a perfect score or a zero, with only one student scoring within 5 points of the mean. Which of the following logically follows about dataset T, made up of the scores on the test?
Indicate all such statements.
A. Dataset T is not normally distributed.
B. The range of dataset T would be significantly smaller if the scores had been more evenly distributed.
C. The mean of dataset T is not equal to the median.
Indicate all such statements.
A. Dataset T is not normally distributed.
B. The range of dataset T would be significantly smaller if the scores had been more evenly distributed.
C. The mean of dataset T is not equal to the median.
Re: On a given math test with a maximum possible score of 100
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02 Jan 2019, 17:59
02 Jan 2019, 17:59
Why not C?
Re: On a given math test with a maximum possible score of 100
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02 Jan 2019, 18:56
02 Jan 2019, 18:56
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mwatt wrote:
Why not C?
There are odd number of people so median will be (149+1)/2=75..
So 75th term is the median here...
We can always have 74 terms 0 and 74 terms 100, so mean is 50..
The 75th term can be 50 itself..
It is given one term is within 5 from mean..
Within MEAN means it can be mean itself too.
