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A2 2 Applied Mathematics
Quick questions on Hypothesis testing and further statistics: Poisson, normal, the Central Limit Theorem and significance tests - CCEA A-Level Further Maths
4short Q&A pairs drawn directly from our worked dot-point answer. For full context and worked exam questions, read the parent dot-point page.
What is hypothesis testing?Show answer
Choosing a one- or two-tailed test wrongly. "Less than" or "more than" is one-tailed; "different from" or "changed" is two-tailed, which splits the significance level between both ends.
What is q1?Show answer
For , write down the mean and variance. [1 mark]
What is q2?Show answer
A sample of has population standard deviation . Find the standard error of the sample mean. [1 mark]
What is q3?Show answer
A test of "the mean has changed" is one-tailed or two-tailed? [1 mark]
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