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1. A random sample of 20 students at Daulton Elementary is asked how many siblings they have.
The results are: 0, 1, 1, 1, 1, 1, 2, 2, 2, 2, 2, 2, 3, 3, 3, 4, 4, 4, 5, 6
Which qualitative statement can be made based on the data from the sample?
A Most students at Daulton do not have a sibling.
B Most students at Daulton have none or one sibling.
C Most students at Daulton have three or more siblings.
D Most students at Daulton have less than three siblings.
2. Isabella randomly selected two coins from a coin collection.
The coins she selected were 2 quarters.
Which of the following collection of coins was more likely to be the coin collection?
F 30 quarters, 20 dimes, 30 nickels
G 50 quarters, 30 dimes, 40 nickels
H 10 pennies, 80 quarters, 20 dimes
J 20 nickels, 40 dimes, 40 quarters 3.
3. A random sample of cats at the local shelter shows 12 out 20 are kittens less than 6 months old.
If the shelter usually has 150 cats, how many would you predict would be kittens?
A 50
B 90
C 500
D 600
4. A survey of a random group of students showed 15 out 35 students were bilingual.
If the school has 700 students, how many would you predict to be bilingual?
F 400
G 150
H 300
J 200
5. A random survey by a radio station at the mall showed 380 out 500 people preferred country music as their music genre.
If the area surrounding the mall has approximately 15,000 people, how many would the station predict would prefer country music?
A 11,400
B 900
C 13,000
D 1,140
6. Adams Junior High is considering changing its lunch schedule.
The results of a survey show that 73 of 100 students are in favor of the change.
Which is the best prediction for the number of students in the entire student body of 1,200 students who are in favor of changing the lunch schedule?
F 510
G 650
H 870
J 940
7. The box plot below shows the results of a survey showing the height of 40 seventh grade girls.
Which statement can be inferred from the data in the box plot?
A Most seventh grade girls are at least 61 inches tall.
B Most seventh grade girls are at least 59 inches tall.
C Almost no seventh grade girls are taller than 65 inches.
D More seventh grade girls are 61 inches tall than any other height.
8. Which of the following would constitute a random sample?
F Asking 100 people outside a movie theatre if movies are too violent
G Asking 100 people outside a Mexican food restaurant their favorite type of food
H Asking 100 teenagers at a musical concert if a curfew should be in place for anyone under 18
J Asking 100 people at the mall what night was their favorite television night
9. The city council did a telephone survey of 500 citizens.
They asked if the person was in favor of raising the sales tax 0.5% to pay for a new city park.
The survey results were 245 of the 500 citizens were in favor of the tax increase.
What should the city council infer from this information?
A If put on the next ballot, the tax increase will easily pass.
B If put on the next ballot, the tax increase will definitely not pass.
C If put on the next ballot, the tax increase is equally likely to pass as not pass.
D Less than 30% of the voters will vote for the tax increase.
10. Ms. Claude, the principal at Ellis Middle School, wants to get input from the students on the need for more benches in the garden area.
Which would be the best group of students for her to sample?
F 30 students who eat lunch in the garden area.
G 20 students who never go in the garden area.
H 10 students who arrive early to school.
J 2 homeroom classes from each grade level
