Samples and predictions Quiz

Name: ______________________   Date: __________   Score: ____ / 10

10 questions. No calculator. Show your working. steplyclass.com/foundations/samples-and-predictions/quiz/

1. 1

   12 of 40 students walk to school. About how many of 600 walk?

   Answer: ____________________

2. 2

   9 of 30 people like jazz. About how many of 900 like jazz?

   Answer: ____________________

3. 3

   Is it a good sample: to find the favorite sport at a school, ask 20 players on the soccer team
   1. A) Yes
   2. B) No

4. 4

   Is it a good sample: to find how much people read, ask 30 people in the library
   1. A) Yes
   2. B) No

5. 5

   18 of 45 voters like the plan. About how many of 2,000 like the plan?

   Answer: ____________________

6. 6

   14 of 35 students play an instrument. About how many of 700 play an instrument?

   Answer: ____________________

7. 7

   Is it a good sample: to find the favorite fruit at a school, ask 30 students picked from a hat
   1. A) Yes
   2. B) No

8. 8

   24 of 64 fans buy a shirt. About how many of 4,000 buy a shirt?

   Answer: ____________________

9. 9

   27 of 75 runners finish in under an hour. About how many of 1,500 finish in under an hour?

   Answer: ____________________

10. 10

    Is it a good sample: to find how much time teens spend online, ask 40 members of the computer club
    1. A) Yes
    2. B) No