Turn on thread page Beta
 You are Here: Home >< Maths

# Just to clarify watch

1. I've got two datasets that contain 11 values each. The question was regarding measures of location in the two datasets in the table which I did and are Median and Mean. (I know mode is one of them as well but the table disregards mode for now)

What is puzzling me though is that it then goes on to say 'use both of these measures to see which has the higher location'. Now I've done a lot of searching and have gone over things and I just don't get what it is trying to say. From what I gather is that once I find the mean and median of the two datasets which ever dataset has the higher mean and median becomes the one with the higher location. Is that right? It sounds so simplistic and dumb. Because what if dataset A has a higher mean while dataset B has a higher median. What happens then?

I've got a similar question with measures of spread regarding the same datasets. I.e Interquartile range, standard deviation and range. Is it safe to assume that this question is also just wanting to me to find the values for the measures of spread and then whichever dataset has the higher values that means it has the wider spread?

Thanks all!
2. (Original post by PraxxtorCruel)
I've got two datasets that contain 11 values each. The question was regarding measures of location in the two datasets in the table which I did and are Median and Mean. (I know mode is one of them as well but the table disregards mode for now)

What is puzzling me though is that it then goes on to say 'use both of these measures to see which has the higher location'. Now I've done a lot of searching and have gone over things and I just don't get what it is trying to say. From what I gather is that once I find the mean and median of the two datasets which ever dataset has the higher mean and median becomes the one with the higher location. Is that right? It sounds so simplistic and dumb. Because what if dataset A has a higher mean while dataset B has a higher median. What happens then?

I've got a similar question with measures of spread regarding the same datasets. I.e Interquartile range, standard deviation and range. Is it safe to assume that this question is also just wanting to me to find the values for the measures of spread and then whichever dataset has the higher values that means it has the wider spread?

Thanks all!
You are correct regarding spread as to location however I'm unsure . . .
Location is just the best central value/average so I'd assume you were correct in this too.
3. (Original post by joostan)
You are correct regarding spread as to location however I'm unsure . . .
Location is just the best central value/average so I'd assume you were correct in this too.
Alright, thanks for that. Btw is it possible for dataset A to have a higher mean then dataset B, but dataset B would have a higher median to dataset A. And if that is possible how would one go about finding the higher location?

Thanks again
4. (Original post by PraxxtorCruel)
Alright, thanks for that. Btw is it possible for dataset A to have a higher mean then dataset B, but dataset B would have a higher median to dataset A. And if that is possible how would one go about finding the higher location?

Thanks again
Yes it is possible - think very skewed data.
A: 1,1,1,100000000000
B: 1,2,3,4
A has higher mean - B has higher median.
As for how to find the higher location the best way I can see is to sum the two measures and see which has a higher total I guess
5. (Original post by joostan)
Yes it is possible - think very skewed data.
A: 1,1,1,100000000000
B: 1,2,3,4
A has higher mean - B has higher median.
As for how to find the higher location the best way I can see is to sum the two measures and see which has a higher total I guess
Thanks Joostan. I see you study a lot of Maths

Joostan just another thing, with regards to measures of spread when I initally asked do I just see which has the higher value. Do I just take the values of each dataset and minus or add or do what with them exactly? Because it says which has a higher spread. I know you're checking for a wider spread (range) but how exactly would I distinguish this from the two datasets? It just seems weird that all I have would have to do is to see if all 3 measure of spread in table A are higher than in table B:

Sorry for sounding like a right kn0b here but I always tend to over think stuff.

Turn on thread page Beta

### Related university courses

TSR Support Team

We have a brilliant team of more than 60 Support Team members looking after discussions on The Student Room, helping to make it a fun, safe and useful place to hang out.

This forum is supported by:
Updated: March 28, 2013
Today on TSR

### Unofficial Markscheme list 2018

Find all the answers here

### 2,191

students online now

Exam discussions

Poll
Useful resources

## Make your revision easier

### Maths Forum posting guidelines

Not sure where to post? Read the updated guidelines here

### How to use LaTex

Writing equations the easy way

### Study habits of A* students

Top tips from students who have already aced their exams

Can you help? Study help unanswered threads

## Groups associated with this forum:

View associated groups

The Student Room, Get Revising and Marked by Teachers are trading names of The Student Room Group Ltd.

Register Number: 04666380 (England and Wales), VAT No. 806 8067 22 Registered Office: International House, Queens Road, Brighton, BN1 3XE