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Data Collection Basics

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Data Collection Basics

Read the survey results, then solve the questions. A tally group with four upright marks and a fifth mark crossing them represents 5 votes. You do not need to ask anyone or use information from outside this sheet.

The fruit vote

A group of 12 children voted for their favourite fruit. Each child chose one fruit. Here are the results:

Fruit

Tally

Votes

Apple

||||/

5

Banana

|||

3

Pear

||

2

Mandarin

||

2

Read the data

Use the fruit-vote results above for Questions 1–6.

1.What was the survey question the children answered? Write a clear question that would collect these results.
2.Which fruit received the most votes?
  • Apple
  • Banana
  • Pear
  • Mandarin
3.How many children voted for banana?
4.How many children voted altogether? Add the votes for apple, banana, pear and mandarin.
5.How many more children chose apple than pear?
6.True or false: The tally for apple represents five votes.
TrueFalse

Plan a fair survey

A good data detective asks a clear question and gives everyone a fair chance to answer.

7.Hudson wants to find out how many pets children in her group have. Which plan would collect the fairest data?
  • Ask every child in the group and record each answer
  • Ask only her two closest friends
  • Guess how many pets they have
8.Which answer is numerical data?
  • Favourite fruit
  • Number of pets
  • Favourite colour
9.Write one question you could ask children to collect categorical data. It should have answers that are names or types, not numbers.
10.Explain why it is important to ask everyone the same clear survey question.

3 printable pages

  • Data Collection Basics, page 1 of 3: The fruit vote, Read the data

    Page 1

  • Data Collection Basics, page 2 of 3: Plan a fair survey

    Page 2

  • Data Collection Basics, page 3 of 3: 8. Which answer is numerical data?

    Page 3

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