STATS $10$ Assignment $1$

Please submit both parts of the assignment in che single PDF file. You can use any PDF editor software to merge the two parts into one file. Please make sure that the questions are in the correct order and clearly labeled, and that the answers are legible and easy to read.

To submit your assignment, upload the PDF file under the designated assignment page on the course website before the deadline specified. Email or hard copy submissions are not accepted.

Part I

Include both the $R$ commands and their corresponding outputs, results, or answers for all exercise questions in Part I.

Vectors:

a$.$ Create a vector named heights that contains the heights, in inches, of yourself and two other people. Print the contents of this vector.

b$.$ Create a vector named names that contains the names of these people. Print the contents of this vector.

c$.$ Try typing cbind$($heights$,$ names$).$ What did this command do$?$ What class is this new object? Hint: Try the class$()$ function

Work with the births data set.

a$.$ Extract the weight variable as a vector from the data frame.

b$.$ The original unit of weight is ounce. Create a new vector named weights$\_$in pounds which are the weights of the babies in pounds. You can look up conversion factors on the internet. Demonstrate your success by typing weights in pounds$[1$:$20]$ and including the output in