You are Here: Home >< Maths

# Help with Statistics!

Announcements Posted on
Last day to win £100 of Amazon vouchers - don't miss out! Take our quick survey to enter 24-10-2016
1. Hi guys,

I seem to have a problem with part (d)(i) for the question. Mean = 2.6, S.D = 1.57

Any help would be greatly appreciated!

Posted from TSR Mobile
2. (Original post by nemanuel96)
Hi guys,

I seem to have a problem with part (d)(i) for the question. Mean = 2.6, S.D = 1.57

Any help would be greatly appreciated!

Posted from TSR Mobile
If N=20, what must be the value of X?
3. (Original post by Gregorius)
If N=20, what must be the value of X?
I found it mate. Haven't had much sleep, made a careless mistake. X was 5.

Posted from TSR Mobile

## Register

Thanks for posting! You just need to create an account in order to submit the post
1. this can't be left blank
2. this can't be left blank
3. this can't be left blank

6 characters or longer with both numbers and letters is safer

4. this can't be left empty
1. Oops, you need to agree to our Ts&Cs to register

Updated: June 15, 2016
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:
Today on TSR

### How does exam reform affect you?

From GCSE to A level, it's all changing

Poll
Useful resources

### Maths Forum posting guidelines

Not sure where to post? Read here first

### How to use LaTex

Writing equations the easy way

### Study habits of A* students

Top tips from students who have already aced their exams