1.
A marketing company is conducting a survey to determine America's most popular professional football team. Where would they be most likely to obtain a random sample?
A.
at a Cleveland Browns game
B.
in front of the White House
C.
Chicago's O'Hare Airport
D.
by calling people from around the country on the telephone
Hint
2.
Suppose you are conducting a survey to determine whether the students in your school would prefer to go to the science museum or the art museum for the school field trip. Which method would produce a random sample?
A.
asking 4 students from each homeroom class
B.
asking your 3 best friends
C.
asking the members of the after-school art club
D.
asking the winners of the school science fair
Hint
3.
Suppose you want to determine the favorite food of students in your school. Which would
not
provide a random sample?
A.
surveying customers at a nearby hamburger stand
B.
surveying three students from each homeroom class
C.
surveying every fifth student to enter the school in the morning
D.
surveying every tenth student on the school roster
Hint
4.
Rosa conducted a survey of students' favorite types of music. The results are shown in the table. Of the 550 students in the whole school, how many would you expect to prefer Pop/Rock?
A.
396
B.
154
C.
132
D.
264
Hint
5.
Taylor and Isabel played a game with red, blue, white, and green balls. They had a bag with 10 balls. They took 4 samples of 4 balls at a time.
Sample 1: RRBB
Sample 2: BGRR
Sample 3: RWRB
Sample 4: RGBW
Find the best estimate of the number of green balls in the bag.
A.
3
B.
9
C.
6
D.
1
Hint