IB DP Maths: AI SL復(fù)習(xí)筆記4.7.4 The t-test
Two-Sample Tests What is a?t-test? A?t-test is used to?compare the means?of?two normally distributed?populations In the exam the?population variance will always be unknown What assumptions are need...
IB DP Maths: AI SL復(fù)習(xí)筆記4.7.3 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-...
Edexcel IGCSE Physics 復(fù)習(xí)筆記 3.2.5 Core Practical: Investigating Snell's law
Edexcel IGCSE Physics 復(fù)習(xí)筆記 3.2.5 Core Practical: Investigating Snell's law Core Practical 5: Investigating Snell's Law Aim of the Experiment To investigate?the refractive index of glass,...
Edexcel IGCSE Physics 復(fù)習(xí)筆記 3.2.4 Snell's Law
Edexcel IGCSE Physics 復(fù)習(xí)筆記 3.2.4 Snell's Law Snell's Law When light?enters a?denser?medium?(such as glass) it slows down and?bends?towards?the normal How much the light bends depends on ...
Edexcel IGCSE Physics 復(fù)習(xí)筆記 3.2.3 Core Practical: Investigating Refraction
Edexcel IGCSE Physics 復(fù)習(xí)筆記 3.2.3 Core Practical: Investigating Refraction Core Practical 4: Investigating Refraction Aim of the Experiment To investigate the refraction of light using re...
IB DP Maths: AI SL復(fù)習(xí)筆記4.7.2 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 SL復(fù)習(xí)筆記4.7.1 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 SL復(fù)習(xí)筆記4.6.2 Calculations with Normal Distribution
Calculating Normal Probabilities How do I find probabilities using a normal distribution? You will be?expected to use?distribution functions on your?GDC?to find the probabilities when working with ...
IB DP Maths: AI SL復(fù)習(xí)筆記4.6.1 The Normal Distribution
Properties of Normal Distribution The binomial distribution is an example of a discrete probability distribution. The normal distribution is an example of a?continuous?probability distribution. Wha...
