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Chemistry Predictions/Thoughts (1 Viewer)

nowomansland

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I don’t know if I’m going crazy or something, but you see this question attached, is it okay if I talked about diesel, because it’s asking for MIXTURES of hydrocarbons? I didn’t realise it was already given.

Also what raw mark are we expecting to align to like 93ish?

View attachment 50294
also it said USE of the mixture so likr did they want me to say using petrol for fuel is bad bc it releases co2?
 

coolcat6778

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THIS TEST WAS SO FUCKING HARD.
AND OUR SCHOOL AVERAGE IS 67 EVERY YEAR. THIS IS CLEARLY AN EQUITY ISSUE - OUR TEACHERS SUCK. Statistically Similar School Group IS AROUND 75 BTW
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C2H6O

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I don’t know if I’m going crazy or something, but you see this question attached, is it okay if I talked about diesel, because it’s asking for MIXTURES of hydrocarbons? I didn’t realise it was already given.

Also what raw mark are we expecting to align to like 93ish?

View attachment 50294
there was nowhere which said use an example not already given so i gave petrol as well
i feel like if you get marked down for this so will majority of the state
 

Luca26

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bro I fkn just ended up with 4 x’s and no trendline after erasing my bar chart fk I’m cooked aren’t I
I think that will be one of the acceptable answers. Joining the points or adding a trendline is problematic and columns might be a nicer / clearer presentation, but the real penalisable error will be implying some continuous variation with a line against discrete categories on the x-axis.
 

C2H6O

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I think that will be one of the acceptable answers. Joining the points or adding a trendline is problematic and columns might be a nicer / clearer presentation, but the real penalisable error will be implying some continuous variation with a line against discrete categories on the x-axis.
I wish bro…
Just hoping I drew the bars hard enough that there was residue left after erasing and they rasterise/binarise the scan so it looks like i drew the bars but it just scanned badly
 

coolcat6778

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I think that will be one of the acceptable answers. Joining the points or adding a trendline is problematic and columns might be a nicer / clearer presentation, but the real penalisable error will be implying some continuous variation with a line against discrete categories on the x-axis.
What if I just plotted the points, no line or anything else?

See how everyone presents their graphs for discrete stuff as well, nobody is using primary school column graphs.

You can't draw a trend from a column graph, but you can from a scatterplot. Part (ii) asked for a trend.

Where do you think you're getting a trend if you treat them as discrete (by drawing a column graph)?
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