ดูต้นฉบับสำหรับ Week11 practice 2

== Sampling and statistics ==
We will work in pairs.

'''Generators''':  We shall perform sampling from two random distribution the normal distribution and a uniform distribution over some range <math>[a,b]</math>.



'''Statisticians''':  Take your friend's generated data, and for each set of data compute the sample mean <math>\bar{X}</math> and the sample variance <math>S^2</math>.

== Confidence interval, known <math>\sigma</math> ==

== Confidence interval, unknown <math>\sigma</math> ==