Tag Archives: S2
How many marks does Edexcel take off for bad writing in S2?
How many marks do Edexcel take off for bad writing in S2? I’ve looked again at the recent mark schemes, and I’m not sure.
“Do-and-don’t” for S2 statistics
S2 test paper, 26-27 March 2015
How random can you get?
This investigation is interesting in itself and uses almost all the ideas we learn in S2. Continue reading
S2 test paper and mark scheme, December 2014
Test paper and mark scheme for S2, 18 November 2014
Which distribution fits which random variable?
A curve, or a function, or a range of values of a variable, is discrete if it has gaps in it – it jumps from one value to another. In practice in S2 discrete variables are variables which only have whole-number values, like number of heads when you toss a coin, or number of goals in a football season. Continue reading
Why many statisticians reject “null hypothesis”/”p-value” testing
Test papers and mark schemes, October 2014
As pdfs. Continue reading
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