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  1. M

    PDH predictions

    how hard u guys think it is to state rank
  2. M

    2024 HSC Chat

    gotta purge my brain of history dates somehow
  3. M

    2024 HSC Chat

    that's quite a good point and i am now torn. i'll revisit this thread when the answers drop hahah
  4. M

    2024 HSC Chat

    we aint talking about means though
  5. M

    2024 HSC Chat

    Yes correct you can't have a median of 0. Nobody is saying the median is 0. by your working, the frequency of the median is 0. You can't make up some fantasy numbers on the x axis when each bar could mean anything. Have you ever answered those histogram questions where it asks "how many...
  6. M

    2024 HSC Chat

    i shall defend my intellectual honour to the end
  7. M

    2024 HSC Chat

    hahah these little jabs are just gonna make you feel like more stupid when you realise why it's C. HISTOGRAM = frequency of something. you've just assumed that the x axis is numbers when it may not be. it could be absolutely anything. e.g. if your "4" actually represents "amount of people in...
  8. M

    2024 HSC Chat

    Yes...you skip to the next data point. then there are 7 values to the right and 8 to the left of the median. that means that the data is no longer symmetrical. that means that it cannot be matched with a symmetrical box plot. that means I don't think you understand how this graph works
  9. M

    2024 HSC Chat

    yes, the average of the 8th and 9th value is 8.5. therefore the median is in the 8.5th place for all graphs. using this logic you can figure out the median for A,B,D which is in the middle column and is symmetrical(like the box plot). but if this is used for C, then the median would be 0 because...
  10. M

    2024 HSC Chat

    people are overthinking it...it's C because you can count the median on each graph (which is at place 8.5 on all 4 - all total to 16), but on C there is nothing for where the median is supposed to be. so it just doesn't work irrespective of the box plot
  11. M

    Predictions for Modern?

    for the 15 power and authority, anyone else go it does 'accurately reflect'?
  12. M

    Predictions for Maths Standard 2 exam?

    yea i just had a look at the 2020. think i missed it
  13. M

    Predictions for Maths Standard 2 exam?

    1. i worked out the total amounts that were taken out over the 15 and 10 years 2. added both together, then used that (i think it was 360,000) as the FV in 360,000=PV(1+0.02) power of 300 or whatever the periods were 3. then just algebred shit up and found the minimum PV to have at least the sum...
  14. M

    Predictions for Maths Standard 2 exam?

    yeah might be cooked on that one
  15. M

    Predictions for Maths Standard 2 exam?

    them giving it does not mean we have to use it. Because is it even an annuity if its a lump sum? just compound interest no?
  16. M

    Predictions for Maths Standard 2 exam?

    Did you have to use the annuity table for the last Q? Or not because it was a lump sum compounding monthly...
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