作為備受中國(guó)學(xué)生關(guān)注的加州系大學(xué)，近日剛剛更新了2022新生錄取數(shù)據(jù)。在各個(gè)學(xué)校申請(qǐng)形式都不容樂觀的情況下，UC系統(tǒng)最新公布的數(shù)據(jù)也十分讓人堪憂。 數(shù)據(jù)再次顯示，UC已經(jīng)啟動(dòng)大幅轉(zhuǎn)向，對(duì)于外州/國(guó)際學(xué)生，從...
Expanding Quadratics You should be familiar with all aspects of basic algebra including manipulating expressions; simplifying; expanding and factorising brackets with both linear and quadratics.? I...
Normal Hypothesis Testing What steps should I follow when carrying out a hypothesis test for the mean of a normal distribution? Following these steps will help when carrying out a hypothesis test f...
Poisson Hypothesis Testing How is a hypothesis test carried out for the mean of a Poisson distribution? The?population parameter?being tested will be the?mean, λ ,?in a?Poisson distribution As it i...
Binomial Hypothesis Testing How is a hypothesis test carried out with the binomial distribution? The?population parameter?being tested will be the?probability,?p??in a?binomial distribution?B(n , p...
Type I & Type II Errors Any hypothesis test will only provide evidence about whether a parameter has changed or not. A conclusion can not claim with certainty whether to accept or reject the nu...
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 value of a?population parameter A hypothesis te...
Normal Approximation of Poisson When can I use a normal distribution to approximate a Poisson distribution? The greater the value of?λ?in a Poisson distribution, the more symmetrical the distributi...
Choosing Distributions When should I use a Poisson distribution? A random variable that follows a?Poisson distribution?is a?discrete random variable A Poisson distribution is used when the random v...
Continuous Uniform Distribution What is meant by the continuous uniform distribution? This is a special case of a probability density function for a continuous random variable The?normal?distributi...
說到數(shù)學(xué)類國(guó)際學(xué)術(shù)活動(dòng)，相信不少人首先想到的一定是AMC，可其實(shí)你知道嗎，除了眾所周知的美國(guó)數(shù)學(xué)學(xué)術(shù)活動(dòng)，澳洲也有一項(xiàng)AMC數(shù)學(xué)學(xué)術(shù)活動(dòng)！ 澳洲AMC數(shù)學(xué)學(xué)術(shù)活動(dòng) 澳洲AMC，即澳大利亞數(shù)學(xué)學(xué)術(shù)活動(dòng)（Australian ...
E(X) & Var(X) (Continuous) What are E(X) and Var(X)? E(X)is the?expected?value, or?mean, of a?random?variable X E(X) is the same as the population mean so can also be denoted by?μ Var (X)?is th...
