In this question, we will practice how to subset a data frame in R$.$ Below is

the code for creating a data frame representing data from a psychological study. Copy

and paste the code into your R studio editor and run the code. Answer the following

questions. Attach your code.

psych$\_$study $<-$ data.frame$($

ID $=1$:$10,$

Age $=$ c$(22,34,29,40,25,30,38,28,33,41),$

Gender $=$ c$("$Male$",$ "Female", "Non$-$Binary", "Female", "Male",

"Other", "Male", "Non$-$Binary", "Female", "Other"$),$

Ethnicity $=$ c$("$Asian$",$ "Black", "White", "Hispanic", "White",

"Asian", "Hispanic", "Black", "Other", "White"$),$

Anxiety$\_$Score $=$ c$(3,7,5,2,6,4,8,3,7,1),$

Happiness$\_$Score $=$ c$(5,6,4,7,5,6,2,8,3,9)$

$)$

$($a$)$ How to subset the column Ethnicity in three different ways?

$($b$)$ How to subset the columns Gender and Ethnicity in two different ways?

$($c$)$ How to subset the data $($of all columns$)$ for the first five participants?

$($d$)$ How to subset the Ethnicity and Gender for the first three participants?