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Most UniQue™:
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

Most UniQue™:
Any1?

Arthur Bon Zavi:

--- 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

--- End quote ---

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

Most UniQue™:

--- 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

--- End quote ---

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

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