IB DP Maths: AI HL復習筆記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復習筆記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復習筆記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復習筆記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復習筆記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復習筆記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復習筆記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復習筆記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復習筆記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...
IB DP Maths: AI HL復習筆記4.10.2 Calculating Poisson Probabilities
Calculating Poisson Probabilities How do I calculate?P(X?=?x):?the probability of a single value for a Poisson distribution? You should have a?GDC?that can calculate?Poisson probabilities You want ...
IB DP Maths: AI HL復習筆記4.10.1 Poisson Distribution
Properties of Poisson Distribution What is a Poisson distribution? A Poisson distribution is a?discrete probability distribution You will be expected to use the distribution function on your GDC to...
IB DP Maths: AI HL復習筆記4.9.2 Confidence Interval for the Mean
Confidence Interval for μ What is a confidence interval? It is?impossible?to find the?exact value?of the?population mean?when taking a sample The mean of a sample is called a?point estimate The bes...
