Maths Statistics (Edexcel A-Level) |57 Questions| With Correct Answers.

response variable {Ans: the dependent variable}discrete uniform distribution {Ans: when all of the probabilities are the same and take specific values}mutually exclusive events {Ans: have no outcomes in common}hectopascals (units) {Ans: 100 pascals}Continuous variable {Ans: can take any value}advantages of sample {Ans: -less time consuming than census -cheaper than census -less data to process than census}advantages of opportunity sampling {Ans: -quick and easy -inexpensive}alternative hypothesis (H1) {Ans: tells you about your parameter if the null hypothesis is rejected}actual significance level {Ans: probability of incorrectly rejecting the null hypothesis}Quantitative {Ans: numerical}sample space {Ans: set of all possible outcomes}bivariate data {Ans: data with pairs of values}Sample {Ans: a selection of observations from a subset of the population used to infer information about the population as a whole}hypothesis test {Ans: statistical test used to determine whether there is enough evidence in a sample of data to infer that a certain condition is true for the entire population}systematic sample {Ans: sampling units are selected at regular intervals from an ordered list}independent events {Ans: one event has no effect on the other}hectopascals {Ans: unit of measurement for air