R Functions (M2)

Question 1

how do we import data set

Answer 1

read.csv(“file”)

Question 2

not equal to, equal to

Answer 2

!=

Question 3

input percentile and it’ll give you z-score

Answer 3

qnorm

Question 4

input z-score and it’ll give you percentile

Answer 4

pnorm

Question 5

input a t-statistic and the degrees of freedom (df). The function returns the cumulative probability (percentile) for that t-statistic.

Answer 5

pt

Question 6

input a percentile (cumulative probability) and the degrees of freedom (df). The function returns the t-statistic corresponding to that percentile.

Answer 6

qt