Summer School STATS108 & 208 官方问答贴(恭喜得到A+的同学们)

麦秆

问下108，chapter10, 有关于paired data comparisons and 2 independent samples,两个老是有点confused，可以很确切的解答一下吗？还有在做题目有什么诀窍？另一个不太懂得方面就是关于appropriate tools for analysis data...谢了！

麦秆

hey...108..assignment 3...question6 ( c )..5 should be B OR E and why??also...for question 7 f ( 3 )..can we say public holidays has the greatest underlying mean attendance by compare CI range( data)....for question 4...i did two sided but my friend ask for if she can do one sided...according to ' Does this mean that fewer ppl travel on Friday 13th'....thank u!!!!

麦秆

is there a difference between the proportion of arts students studying full time and the proportion of science students studying full time?


two sample t test on a difference between two proportions

or one sample t test on a proportion(whole students as a sample)