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Psychology paper 2 AQA

what was the answer for the percentage increase question ?

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I got 86%

Original post by Nadeen Hayek

what was the answer for the percentage increase question ?

Killmeplesexams

I’m so annoyed at myself now! I forgot to round so I put 85% instead of 86% 😭

How did u guys work it out? I got 46% and i still think its right?, also just by looking at the numbers i knew it couldnt have been over 50 %

Original post by birdbasher

How did u guys work it out? I got 46% and i still think its right?, also just by looking at the numbers i knew it couldnt have been over 50 %

you do final-initial/initial x 100. basically big number takeaway the small and divide by small. I think you did decrease not increase?

Minus the 2 values. Answer divide it by the smaller value ×100

Original post by birdbasher

How did u guys work it out? I got 46% and i still think its right?, also just by looking at the numbers i knew it couldnt have been over 50 %

Was S=1?

hannahellesse.x

I got s as 3 and then there was no significance

Original post by bazinga12

Was S=1?

86%
The bigger number(new value) - smaller number (older value)
divided by the older value. X times by 100 = 85.885 then round to 86%

I put 3. and think i put 85.88 for percentage increase

Original post by bazinga12

Was S=1?

Original post by hannahellesse.x

I got s as 3 and then there was no significance

I also got S=3 no significance as CV was 0

and what does reliability measure? i put consistency idk if that’s right

username3113730

What was the neuron multiple choice questions? I got relay neuron for 1 and 3 and motor for 2

Original post by bazinga12

I got 86%

Think 86 too

Original post by okurr123

What was the neuron multiple choice questions? I got relay neuron for 1 and 3 and motor for 2

i got sensory for 1 (i think this is wrong tho), motor for 2 and relay for 3

Original post by birdbasher

How did u guys work it out? I got 46% and i still think its right?, also just by looking at the numbers i knew it couldnt have been over 50 %

Agreed mate

Original post by n2001

you do final-initial/initial x 100. basically big number takeaway the small and divide by small. I think you did decrease not increase?

Looks like you got it wrong mate, 46% the correct answer 👍

no the formula is
new value - old value divided by old value times 100
4568-2522/2522 x 100 to 2 significant figures is 86%

Original post by Loughy4

Looks like you got it wrong mate, 46% the correct answer 👍

Unfortunately I believe it was 86%, especially since if you doubled the 'before' number (Double would mean 100% increase), you'd end up pretty close to the after number, so a 46% increase wouldn't bring the before number close to the after one.

Original post by Loughy4

Looks like you got it wrong mate, 46% the correct answer 👍

Original post by Ccyxxx

no the formula is
new value - old value divided by old value times 100
4568-2522/2522 x 100 to 2 significant figures is 86%

Look at the figures, I do a level maths and it’s 46% to 2 sig fig. Hope this helps

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