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...
由于近年申請(qǐng)CS專(zhuān)業(yè)的人數(shù)暴增，密歇根大學(xué)招生政策變更！
密歇根大學(xué)的學(xué)生一般在完成一年的本科課程后，并取得相應(yīng)的學(xué)業(yè)成績(jī)以及滿足特定的條件，才會(huì)正式申報(bào)一個(gè)主修專(zhuān)業(yè)（declare major）。 但由于近年申請(qǐng)Computer Science（CS）計(jì)算機(jī)科學(xué)專(zhuān)業(yè)的人數(shù)暴增，密歇根...
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 ...
沖刺TOP30美本申請(qǐng)推薦的高含金量生物競(jìng)賽匯總
沖刺美本TOP30申請(qǐng)，這些生物類(lèi)學(xué)術(shù)活動(dòng)，給美本申請(qǐng)?jiān)黾禹来a。對(duì)于學(xué)術(shù)活動(dòng)的選擇，適合孩子的才是最好的。其次，則是從學(xué)術(shù)活動(dòng)的含金量，參賽人數(shù)，整個(gè)比賽時(shí)間等全方面考量。 學(xué)術(shù)活動(dòng)種類(lèi)繁多，但是孩子的...
2022軟科世界一流學(xué)科排名正式發(fā)布發(fā)布！
7月19日，高等教育評(píng)價(jià)專(zhuān)業(yè)機(jī)構(gòu)軟科正式發(fā)布“2022軟科世界一流學(xué)科排名”。作為和泰晤士高等教育世界大學(xué)排名（THE）、QS世界大學(xué)排名、U.S. News世界大學(xué)排名齊名的的四大權(quán)威世界大學(xué)排名之一，軟科（即ARWU）首...
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...
