2019 (source code)
= 2019
{scope}
{title2=A14564W1}
Solutions to all six questions of the 12 December 2019 Statistics Core examination. https://www.whatdotheyknow.com/request/admission_statistics_and_past_pa/response/2722250/attach/2/Exam%20papers.zip?cookie_passthrough=1[Oxford examination release ZIP], member `Digital Social Research Statistics Core/2019 Michaelmas a14564w1.pdf`. All seven numbered figures and the unnumbered output for Question 1 are available. The printed group means and overall mean in Question 1 cannot describe one complete sample; that inconsistency is kept explicit. Calculations below use the supplied summaries and counts, without inventing individual records.
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