wk 4 lec 2

Question 1

chi square test of independence?

Answer 1

2 sample it is testing whether groups are dependent on each other

Question 2

correlation test?

Question 3

one sample t test?

Question 4

assumptiont checks for t test

Question 5

when should one use one tailed vs tailed?

Answer 5

its tricky business coz if its two tailed and and it lands like 3% on the lower end if it was one tailed on teh lower end it would be significant, scientists have been known to to do the two tailed fuck up and then do the one tailed so its magiically signfiicant

to combat this they have to now pre register their case study to say exactly what they planneed on doign befor doing it`

Question 6

exploratory analysis?

Answer 6

eeveyrthing you add a new factor you add 5% change of false positive but there is a ben ferroni correct thing that will combat this

Question 7

independent samples t - test

Question 8

paired sample repeated measures test