All solutions here are **suggested**. Mr. Teng will hold no liability for any errors. Comments are entirely personal opinions

Numerical Answers (workings/explanations are after the numerical answers.)

Question 1:

Question 2:

Question 3:

Question 4:

Question 5:

Question 6:

Question 7:

Question 8:

Question 9:

Question 10:

Question 11: do not reject ;

Question 12:

Showing 4 comments

For 6c, if they asked for variance why must we square root?

my bad. they asked for standard deviation, typed wrongly.

For qn 11, why is sample mean 15.51

Will section A answers be uploaded?