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Ial biology oct/nov 2019 thread

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Original post by Coco2020
I know how to do range bars lowest and highest values but what about for SD ? Thanks

Use calculator,mode+3+1+Data entry +Ac+Shift+1+4+4
Plus sign mean what to press next
Reply 81
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Coco2020
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It’s usually range bars but just in case it asks for SD!! Thanks so much !! So is the data entry the mean value?
Original post by Coco2020
It’s usually range bars but just in case it asks for SD!! Thanks so much !! So is the data entry the mean value?

Yes
Reply 83
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Coco2020
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Also for a scatter graph do u still do line of best fit if u do range bars ?? Thanks
Original post by Coco2020
Also for a scatter graph do u still do line of best fit if u do range bars ?? Thanks

U will need trendline in scattered graph
Original post by Coco2020
How did you work out the error bars on the bar chart ? How big to draw them up and down?? Thanks

Using error bar or range bar is your choice.From my opinion,it is easier to interpret bar graph with range bar
Reply 86
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Coco2020
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Awesome thanks so much!! I’ve just been doing Range Bars!! Good Luck everyone!!
Reply 87
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Coco2020
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How’d you guys find it?
Reply 88
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Coco2020
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Which experiment did u find easiest / hardest??
Original post by Coco2020
Which experiment did u find easiest / hardest??

First one I guess... we had to use the respirometer right??
Original post by Daenerys19892002
First one I guess... we had to use the respirometer right??

Yes
Original post by Coco2020
Which experiment did u find easiest / hardest??

the first and second questions were good I guess (even though I messed up on the part where they asked for why oxygen conc would affect photosynthesis :frown:) and I found the experiment in q3 a bit weird :frown:
Do u answer maths Core34 old syllabus? If so , how was it?
Original post by Sandar456
Yes

Thanks!!

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