S5 apply statistics to describe a population Quiz: Pearson Edexcel Maths, Unit 6

The 20 questions

1. What is the complete set of items or people of interest in a study called?

   • Census
   • Statistic
   • Sample
   • Population

2. What is data collected from every member of the population called?

   • Sample
   • Survey
   • Census
   • Pilot study

3. Which measure describes the typical value of a population?

   • Mean
   • Largest value
   • Number of members
   • Range

4. A population has 2000 voters, of whom 1300 support a proposal. What proportion support it?

   • 0.35
   • 0.65
   • 1.54
   • 0.13

5. A population of 5000 has 12% left-handed. How many are left-handed?

   • 417
   • 5012
   • 120
   • 600

6. Four people are 170 cm, 172 cm, 168 cm and 174 cm tall. What is the mean height?

   • 171 cm
   • 4 cm
   • 170 cm
   • 172 cm

7. Which statistic measures the spread of a data set?

   • Mode
   • Interquartile range
   • Mean
   • Median

8. A population of 10000 is studied using a random 5% sample. How many people are in the sample?

   • 1000
   • 5
   • 50
   • 500

9. A study uses only male participants. To whom can the conclusions be generalised?

   • Males only
   • Nobody
   • The whole population
   • Females only

10. Why might a sample be used instead of a census for a large population?

    • More accurate results
    • Includes every individual
    • Faster and cheaper
    • Eliminates bias entirely

11. A town has three schools with 400, 600 and 1000 pupils. What percentage of the pupils attend the middle-sized school?

    • 40%
    • 60%
    • 15%
    • 30%

12. A population of 100 items has mean 50. What is the total of all the values?

    • 5000
    • 100
    • 500
    • 50

13. 80% of a population of 2000 vote. How many do not vote?

    • 1280
    • 320
    • 1920
    • 400

14. What is a numerical characteristic of a whole population called?

    • Variable
    • Parameter
    • Statistic
    • Sample

15. What is a numerical characteristic calculated from a sample called?

    • Census
    • Statistic
    • Constant
    • Parameter

16. A population has 1200 people, of whom 45% are women. How many women are there?

    • 5400
    • 660
    • 45
    • 540

17. A random sample of 500 gives 40% in favour. Which is the sample statistic?

    • 40%
    • The whole population
    • 0.4 times the population
    • 500

18. If population A has a higher mean income than population B, does every individual in A earn more?

    • Yes
    • Only for tax
    • No
    • Always

19. A population of 20000 has 25% aged over 65. How many are over 65?

    • 5000
    • 2500
    • 8000
    • 500

20. A population has 1000 members. A random 10% sample has mean 12. What is an estimate of the population total?

    • About 1200
    • Exactly 10
    • About 120
    • About 12000

Related quizzes

• use and interpret algebraic manipulation, including Quiz · A1 · 20 questions
• use conventional terms and notations Quiz · G1 · 20 questions
• order positive and negative integers, decimals and fractions Quiz · N1 · 20 questions
• record, describe and analyse the frequency of outcomes of probability experiments... Quiz · P1 · 20 questions
• change freely between related standard units (e.g. time, length, area,... Quiz · R1 · 20 questions
• substitute numerical values into formulae and expressions, including scientific formulae Quiz · A2 · 20 questions
• use the standard ruler and compass constructions (perpendicular bisector of a line... Quiz · G2 · 20 questions
• apply the four operations, including formal written methods, to integers, decimals and... Quiz · N2 · 20 questions
• apply ideas of randomness, fairness and equally likely events to calculate expected... Quiz · P2 · 20 questions
• understand and use the concepts and vocabulary of expressions, equations, formulae,... Quiz · A3 · 20 questions