Author Topic: Quick help! Exam in 2.5 hours  (Read 1974 times)

Offline Most UniQue™

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Quick help! Exam in 2.5 hours
« 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
« Last Edit: May 16, 2011, 07:55:51 am by The Nerdy Pro »

Offline Most UniQue™

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Re: Quick help! Exam in 2.5 hours
« Reply #1 on: May 16, 2011, 08:24:23 am »
Any1?

Offline Arthur Bon Zavi

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Re: Quick help! Exam in 2.5 hours
« Reply #2 on: May 16, 2011, 08:36:27 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

Continuous efforts matter more than the outcome.
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Offline Most UniQue™

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Re: Quick help! Exam in 2.5 hours
« Reply #3 on: May 16, 2011, 12:59:35 pm »
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