Unit 6 : Planning and Collecting Data - Year 8

What would you do if you need to make an event happen so you can record your observations?

• Conduct a survey

• Conduct an experiment

• Carry out an interview

• Create a questionnaire

Complete this working out to find a 10% sample of 600.

10% of 600 = _____× 600

= 60

• 1

• 10

• 100

• 1/10

Complete this working out to find a 10% sample of 600.

10% of 600 = _____× 600

= 60

• 1

• 10

• 100

• 1/10

Which method should you use to collect data about the favourite subject of students in your school?

• Conduct an experiment

• Complete a questionnaire

• Record your observations

There are 12 bags of apples in a box. You want to record the number of apples in each bag. Should you take a sample of the bags or count all the bags?

• Take a sample

• Count all the bags

Which method should be used to record the number of times a 4 is rolled on a normal dice?

• Conduct an experiment

• Complete a questionnaire

• Record your observations

You want to compare the results from a survey in your school by comparing boys' answers to girls' answers.

There are 420 boys in the school and 380 girls.

Which of these statements is true?

• You should ask the same number of boys and girls.

• Every student must complete the survey.

• You should ask 42 boys and 38 girls.

Select the data that cannot be collected using an experiment.

• The time it takes someone to complete 10 jumps.

• The number of arithmetic questions that can be completed in 1 minute.

• The favourite sport of a group of students.

There are 12 000 houses in a town. A sample of houses are being sent a questionnaire to conduct a survey.

How many houses should be sent the questionnaire?

___________ houses

Mike wants to find out if people in his town go to the cinema regularly.

Which of these methods could he use?

• Conduct a survey of people who live in his street.

• Ask four of his friends in the town if they go to the cinema.

• Send a questionnaire in the post to every address in the town.

• Ask people in the centre of the town if they go to the cinema regularly.