GRE Prep Club Daily Prep
Thank you for using the timer - this advanced tool can estimate your performance and suggest more practice questions. We have subscribed you to Daily Prep Questions via email.
Customized
for You
Track
Your Progress
Practice
Pays
Not interested in getting valuable practice questions and articles delivered to your email? No problem, unsubscribe here.
On a given math test with a maximum possible score of 100
[#permalink]
30 Jul 2018, 09:03
30 Jul 2018, 09:03
1
Expert Reply
8
Bookmarks
00:00
Question Stats:
43% (01:13) correct
56% (01:07) wrong based on 166 sessions
Hide Show timer Statistics
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
[#permalink]
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
[#permalink]
02 Jan 2019, 18:56
02 Jan 2019, 18:56
2
Expert Reply
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.
