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    (Original post by Ali Bizri)
    There's a pattern in the exams,

    jun 09: membrane
    jan 10:garlic
    jun 10:enzymes
    jan 11:minerals
    jun 11;fibres
    jan 12:vitamin
    jun 12:caffeine
    jan 13:toti
    jun 13:mitosis
    --------
    jan 14:membrane
    jun14:garlic
    jan 15:enzymes
    june 2015 --> mineral
    jan 16: Fibres
    June 16:Vitamin??

    So basically, it's really likely to actually be Vitamin C
    I don't know wether to revise this more or not
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    How do we write a reference ASAP reply please thanks
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    (Original post by charlesdarwin)
    if they overlap, it is NOT reliable, coclutions should not be made
    This is taken from June 2014 examiner report. Two marks earned from the first sentence. Overlapping has only got to do with validity and making conclusions.
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    (Original post by hadzyster99)
    How do we write a reference ASAP reply please thanks
    Author last name followed by first name initial, date of publication in brackets, article title, journal title, page(s), volume no, publisher if mentioned

    e.g. Schacker M. (2008), 'A Spring without Bees - How colony collapse disorder has endangered our food supply' The Globe Pequot Press
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    How do I choose the values for the Y-axis [The number of tests]??
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    maybe take values of 10,000?
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    How do anomalous values affect validity and reliability and how do we deal with them?
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    (Original post by Hiyoriiki)
    maybe take values of 10,000?
    Yeah, I guess that could work, thanks!!
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    (Original post by Ali Bizri)
    Oh yes, overlapping standard deviations DO make the data unreliable, what i meant was that in general, If a table shows high SD then the data is unreliable.
    does overlapping values increase the VALIDITY or reliability ????????
    and how does it effect the validity ..like what do we write???
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    (Original post by Hiyoriiki)
    How do anomalous values affect validity and reliability and how do we deal with them?
    dont include them when calculating the mean
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    hello guys when are you doing ur unit 3 bio tomorrow ??
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    Hello je from pakistan exam 10 am

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    (Original post by pondsteps)
    does overlapping values increase the VALIDITY or reliability ????????
    and how does it effect the validity ..like what do we write???
    It decreases both actually,
    we just need to mention whether or not there is an overlap and where it is for reliability.

    For validity just mention the same as above and that due to overlapping, difference in values is not significant.
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    (Original post by Ali 1265)
    hello guys when are you doing ur unit 3 bio tomorrow ??
    1pm
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    (Original post by Ali 1265)
    hello guys when are you doing ur unit 3 bio tomorrow ??
    12
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    When question asks to comment on the validity of a data what do we write?


    Posted from TSR Mobile
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    (Original post by Hiyoriiki)
    It decreases both actually,
    we just need to mention whether or not there is an overlap and where it is for reliability.

    For validity just mention the same as above and that due to overlapping, difference in values is not significant.
    ok thanks... btw have u solved 2015 june. i have a q on the implication part.. in the enviromental implication i wrote plastics are nonbiodegrable so they cause land fill as one of the implications whyis that wrong?? i got it from p6
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    (Original post by Ali 1265)
    hello guys when are you doing ur unit 3 bio tomorrow ??
    1 pm
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    Guys what time zone ??
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    What country?

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