Sample Mean Distribution (AQA A-Level Mathematics): Flashcards
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10 cards from this deck
Distribution of sample mean (sample size , )
Distribution of sample mean (sample size , )
What represents in hypothesis testing
What represents in hypothesis testing
No change in parameter/default position
indicates what type of test?
indicates what type of test?
Two-tailed test
Define critical/rejection region
Define critical/rejection region
Region where observation leads to rejecting
Two-tailed test at 5% sig: % at each tail?
Two-tailed test at 5% sig: % at each tail?
2.5%
Value of to use in distribution when testing
Value of to use in distribution when testing
Value from
What is a p-value?
What is a p-value?
Probability of observing value (or more extreme) under
Critical region method: reject when?
Critical region method: reject when?
Observed value falls in critical region
Probability method: reject when?
Probability method: reject when?
Probability < significance level
Symbol for defining parameter in hypothesis test
Symbol for defining parameter in hypothesis test
, not