Math 7 · Unit 6: Collecting data · Cambridge Lower Secondary Maths Stage 7

Questions

1. 1. Worked example: a nurse is collecting **data** about babies. What type of data is the length of a baby?

   • discrete data
   • categorical data
   • continuous data
   Check

2. 2. Worked example: the nurse also records each baby's date of birth. What type of data is this?

   • continuous data
   • discrete data
   • categorical data
   Check

3. 3. Worked example: a nurse is collecting **data** about babies. What type of data is the mass of a baby?

   • continuous data
   • categorical data
   • discrete data
   Check

4. 4. Worked example: a nurse is collecting **data** about babies. What type of data is the age of a baby's mother?

   • categorical data
   • continuous data
   • discrete data
   Check

5. 5. Worked example: a nurse is collecting **data** about babies. What type of data is the colour of a baby's eyes?

   • discrete data
   • continuous data
   • categorical data
   Check

6. 6. Choose the correct word to describe this recipe ingredient: the number of eggs.

   • categorical
   • discrete
   • continuous
   Check

7. 7. Choose the correct word to describe this recipe ingredient: the mass of rice.

   • continuous
   • categorical
   • discrete
   Check

8. 8. Choose the correct word to describe this recipe ingredient: the type of vegetables.

   • discrete
   • categorical
   • continuous
   Check

9. 9. Marcus is collecting data about a room. Which of these is an example of categorical data?

   • the colour of the walls
   • the height of the ceiling
   • the number of doors
   • the area of the floor
   Check

10. 10. Marcus is collecting data about a room. Which of these is an example of discrete data?

    • the length of the room
    • the temperature of the room
    • the number of windows
    • the colour of the floor
    Check

11. 11. Marcus is collecting data about a room. Which of these is an example of continuous data?

    • the number of windows
    • the length of the room
    • the number of chairs
    • the colour of the walls
    Check

12. 12. The manager of a gym wants to investigate how people use the gym. A questionnaire is given to members as they leave the gym. Question 1 is: *Did you enjoy your visit to the gym today?* Which is the best improved version of Question 1?

    • How much did you enjoy your visit today? Very much / Quite a lot / A little / Not at all
    • Why did you enjoy your visit to the gym today?
    • You enjoyed your visit today, didn't you?
    • Did you enjoy your visit to the gym today? Yes / No
    Check

13. 13. The manager of a gym wants to investigate how people use the gym. A questionnaire is given to members as they leave the gym. Question 2 is: *Which equipment did you use?* How could you improve Question 2?

    • Give a list of the equipment with tick boxes.
    • Ask 'Did you use the equipment? Yes / No'.
    • Remove the question.
    • Ask people to write a long answer.
    Check

14. 14. This is a question from a questionnaire given to people who use a website to find information. What does it mean if you choose '4'?

    • It was very easy.
    • It was not easy at all.
    • It was quite easy.
    • It was neither easy nor difficult.
    Check

15. 15. This table shows the total scores at the end of one day. How many people answered the question?

    • 68
    • 25
    • 5
    • 73
    Check

16. 16. This table shows the total scores at the end of one day. Write down the modal score.

    • 2
    • 5
    • 3
    • 25
    Check

17. 17. A **prediction** is that most people find the website easy to use (4 or 5 on the scale). Is the prediction correct?

    • Yes
    • No
    Check

18. 18. A teacher gives 40 learners a spelling test. The test has a total of 10 marks. Here are the marks. Put the marks in the frequency table.

    Fill the blanks with these.

    • 8
    • 3
    • 4
    • 11
    • 7
    • 5
    • 6
    • 9
    • 12
    Check

19. 19. 40 learners take a spelling test out of 10. The marks are 4 (4 learners), 5 (8), 6 (6), 7 (3), 8 (11), 9 (5) and 10 (3). What is the modal mark?

    • 8
    • 11
    • 7
    • 5
    Check

20. 20. The marks of the 40 learners are 4 (4 learners), 5 (8), 6 (6), 7 (3), 8 (11), 9 (5) and 10 (3). What is the median mark?

    • 6
    • 7
    • 8
    • 6.9
    Check