2023年Physics Bowl物理碗考试时间已定，物理碗竞赛辅导课程了解一下！
在众多的国际学术活动中，理科类项目种类繁多，并且难度各异，针对不同学科方向、不同年级的学生都有与之匹配的学术活动。美国物理碗Physics Bowl，是比较热门的国际物理学术活动，参与活动，将锻炼逻辑思维能力...
Edexcel A Level Maths: Statistics:复习笔记6.1 Large Data Set
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Edexcel A Level Maths: Statistics:复习笔记5.3.2 Normal Hypothesis Testing
Normal Hypothesis Testing How is a hypothesis test carried out with the normal distribution? The population parameter being tested will be the population mean, in a normally distributed random vari...
Edexcel A Level Maths: Statistics:复习笔记5.3.1 Sample Mean Distribution
Sample Mean Distribution What is the distribution of the sample means? For any given population it can often be difficult or impractical to find the true value of the population mean, µ The populat...
Edexcel A Level Maths: Statistics:复习笔记5.2.1 Binomial Hypothesis Testing
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...
Edexcel A Level Maths: Statistics:复习笔记5.1.1 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 value of a population parameter A hypothesis te...
Edexcel A Level Maths: Statistics:复习笔记4.4.2 Normal Approximation of Binomial
Normal Approximation of Binomial When can I use a normal distribution to approximate a binomial distribution? A binomial distribution can be approximated by a normal distribution provided n is l...
Edexcel A Level Maths: Statistics:复习笔记4.4.1 Modelling with Distributions
Modelling with Distributions When should I use a binomial distribution? A random variable that follows a binomial distribution is a discrete random variable A binomial distribution is used when the...
Edexcel A Level Maths: Statistics:复习笔记4.3.3 Standard Normal Distribution
Standard Normal Distribution What is the standard normal distribution? The standard normal distribution is a normal distribution where the mean is 0 and the standard deviation is 1 It is denoted b...
2023 Brain Bee地区赛报名正式开启，Brain Bee难度如何？
2023年全国Brain Bee脑科学活动报名通道已开启，生化方向的同学不要错过哦！Brain Bee脑科学国际大赛由美国心理学协会APA、欧洲神经科学学会FENS等联合主办，是一项面向全球5-12年级学生的生物学术活动，堪称三大...
Edexcel A Level Maths: Statistics:复习笔记4.3.2 Normal Distribution - Calculations
Throughout this section we will use the random variable . For a normal distribution, X can take any real number. Therefore any values mentioned in this section will be assumed to be real numbers. C...
Edexcel A Level Maths: Statistics:复习笔记4.3.1 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...
