IB DP Maths: AI HL复习笔记4.12.6 Type I & Type II Errors
Type I & Type II Errors What are Type I & Type II errors? There are four possible outcomes of a hypothesis test: H0 is false and H0 is rejected H0 is true and H0 is not rejected The test is...
IB DP Maths: AI HL复习笔记4.12.5 Hypothesis Testing for Correlation
Hypothesis Testing for Correlation What is a hypothesis test for correlation? You can use a t-test to test whether there is linear correlation between two normally distributed variables If specific...
IB DP Maths: AI HL复习笔记4.12.4 Poisson Hypothesis Testing
Poisson Hypothesis Testing What is a hypothesis test using a Poisson distribution? You can use a Poisson distribution to test whether the mean number of occurrences for a given time period within a...
IB DP Maths: AI HL复习笔记4.12.3 Binomial Hypothesis Testing
Binomial Hypothesis Testing What is a hypothesis test using a binomial distribution? You can use a binomial distribution to test whether the proportion of a population with a specified characterist...
IB DP Maths: AI HL复习笔记4.12.2 Hypothesis Testing for Mean (Two Sample)
Two-Sample Tests What is a two-sample test? A two-sample test is used to compare the means (μ1 & μ2) of two normally distributed populations You use a t-test when the population variances are u...
IB DP Maths: AI HL复习笔记4.12.1 Hypothesis Testing for Mean (One Sample)
One-Sample z-tests What is a one-sample z-test? A one-sample z-test is used to test the mean (μ) of a normally distributed population You use a z-test when the population variance (σ²) is known Wha...
IB DP Maths: AI HL复习笔记4.11.3 Goodness of Fit Test
Chi-Squared GOF: Uniform What is a chi-squared goodness of fit test for a given distribution? What are the steps for a chi-squared goodness of fit test for a given distribution? Worked Example Chi-...
IB DP Maths: AI HL复习笔记4.11.2 Chi-squared Test for Independence
Chi-Squared Test for Independence What is a chi-squared test for independence? You will use a contingency table This is a two-way table that shows the observed frequencies for the different combina...
IB DP Maths: AI HL复习笔记4.11.1 Hypothesis Testing
Language of Hypothesis Testing What is a hypothesis test? A hypothesis test uses a sample of data in an experiment to test a statement made about the population The statement is either about a popu...
