STATISTICS

1. The senior class president would like to host an after-graduation lock-in. There will be games, gifts, and food! In order to decide if classmates would be willing to buy tickets and aftend, she has decided to conduct a survey. She will select 25 students to meet and hear input on the prizes, food, and ticket price. There are 500 members of the senior class.


a. She selects every tenth student as they get off the bus one morning.

b. She asks her choir director to allow her to survey the choir.

c. She meets with the counselor, who selects every twentieth student on the school roster.

d. She assigns each senior a number and randomly selects 25 numbers.

e. She makes an announcement that people interested should meet in the library after school.

f. A roster of the senior class is printed, and each student's name is put into a hat. The principal selects 25 names.