IB maths chi-squared test question! Watch

mikaelalrc
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hey guysssss,
any help please???

what does write down the x^2 statistic. (chi-squared statistic) refer to????

and i forgot, is it that we cannot reject or accept a hypothesis? and do we always talk about the null hypothesis when stating the result, or...?
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JackMoseley
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(Original post by mikaelalrc)
hey guysssss,
any help please???

what does write down the x^2 statistic. (chi-squared statistic) refer to????

and i forgot, is it that we cannot reject or accept a hypothesis? and do we always talk about the null hypothesis when stating the result, or...?
I’m unaware about the first part (never did that with a level haha) but in regards to the hypothesis bit...

You should never ‘accept’ the hypothesis. You always refer to the null hypothesis (h0) in terms of rejecting:

fail to reject - basically accept
Reject - alternate hypothesis accepted
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mikaelalrc
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ok, thanks again!
(Original post by JackMoseley)
I’m unaware about the first part (never did that with a level haha) but in regards to the hypothesis bit...

You should never ‘accept’ the hypothesis. You always refer to the null hypothesis (h0) in terms of rejecting:

fail to reject - basically accept
Reject - alternate hypothesis accepted
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JackMoseley
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(Original post by mikaelalrc)
ok, thanks again!
No worries
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