S2 Definitions 4.0 / 5 based on 4 ratings ? Further MathsA2/A-levelEdexcel Created by: annaCreated on: 09-05-13 11:30 Population a complete collection of all individual items 1 of 13 Sample a selection of individual members from a population 2 of 13 Hypothesis a statement concerning a population parameter 3 of 13 Sampling Frame a list of all sampling units used in practice to represent a population 4 of 13 Sampling Unit an individual member of a population 5 of 13 Critical Region the range of values of a test statistic that would lead you to reject H0 6 of 13 Test Statistic a statistic used in a hypothesis test 7 of 13 Null Hypothesis the working hypothesis assumed to be true 8 of 13 Significance Level the probability of incorrectly rejecting H0 9 of 13 Statistic a random variable consisting of a function with no unkown parameters 10 of 13 Sampling Distribution all possible samples are chosen from a population, the values of a statistic and their probabilities is a sampling distribution 11 of 13 Census an investigation where information is obtained from every member of a population 12 of 13 Hypothesis Test a population parameter proposed by the null hypothesis compared with an alternative hypothesis 13 of 13
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