Identify each sample as biased or unbiased, Every fifth person coming into a grocery store is asked to name their favorite radio
station.
A. Unbiased because they are randomly selected, and many different types of people
shop at grocery stores.

B. Biased because the type of groceries you buy reflects the type of music you listen
to.

C. Unbiased because the type of groceries you buy reflects the type of music you listen

D. Biased because they are randomly selected and many different types of people shop
at grocery stores.

The correlation coefficient between the number of students and marks obtained in end semester exam. (13 marks) give the statistical meaning of the relationship between the number of students and marks b. obtained in end semester exam. (3 marks) draw the number of students and marks obtained in end semester exam scatter diagram c. (4 marks) check list write your name and id corectly write the question number properly use your own calculator. show all the steps to solve the problems. use the correct formula. answer in provided time. don't use your mobile for any purpose. write your answer up to two decimal places