Edexcel IGCSE Physics 復習筆記 3.3.1 Core Practical: Investigating the Speed of Sound Core Practical 6: Investigating the Speed of Sound Equipment List Resolution?of measuring equipment: Tru...
Edexcel IGCSE Physics 復習筆記 3.2.6 Total Internal Reflection Total Internal Reflection Sometimes, when light is moving from a denser medium towards a less dense one, instead of being refracted, a...
今年的AP考試可謂是一波三折，大陸地區一些城市由于疫情AP考試取消。盡管如此，全球AP考試依然進行，AP成績也在最近公布分數，我們為大家匯總了今年38門考試中，20余門熱門AP科目5分率與去年的對比變化。 1AP生物...
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...
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 復習筆記 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 復習筆記 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 復習筆記 3.2.3 Core Practical: Investigating Refraction Core Practical 4: Investigating Refraction Aim of the Experiment To investigate the refraction of light using re...
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...
