IGCSE/GCSE/O & A Level/IB/University Student Forum

Qualification => Subject Doubts => IGCSE/ GCSE => Math => Topic started by: Most UniQue™ on May 16, 2011, 07:53:30 am

Title: Quick help! Exam in 2.5 hours
Post by: Most UniQue™ on May 16, 2011, 07:53:30 am

M/j 2006 9c(ii) p42.  It's a simple question just tell me how I cn draw histograms? Plz reply as soon as possible it's very important Thanks

Title: Re: Quick help! Exam in 2.5 hours
Post by: Most UniQue™ on May 16, 2011, 08:24:23 am

Any1?

Title: Re: Quick help! Exam in 2.5 hours
Post by: Arthur Bon Zavi on May 16, 2011, 08:36:27 am

Quote from: The Nerdy Pro on May 16, 2011, 07:53:30 am

M/j 2006 9c(ii) p42.  It's a simple question just tell me how I cn draw histograms? Plz reply as soon as possible it's very important Thanks

You'll get pas 10 and q as 72.

First : frequency density = frequency / class width

So for class :

0<t<=30 f.d. = 0.67
30<t<=60, f.d. = 2.4
60<t<=80, f.d. = 0.4

On y-axis, 1 cm = 0.2 units of f.d.
On x-axis, 1 cm = 5 s

Title: Re: Quick help! Exam in 2.5 hours
Post by: Most UniQue™ on May 16, 2011, 12:59:35 pm

Quote from: Fidato on May 16, 2011, 08:36:27 am

You'll get pas 10 and q as 72.

First : frequency density = frequency / class width

So for class :

0<t<=30 f.d. = 0.67
30<t<=60, f.d. = 2.4
60<t<=80, f.d. = 0.4

On y-axis, 1 cm = 0.2 units of f.d.
On x-axis, 1 cm = 5 s

Thanks a lot but histogram question didn't cm in our exam ;D