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Statistics Vocabulary Introduction

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Statistics Vocabulary Introduction

A kiwi recovery project is checking how young kiwi are doing. Read the project data and use the statistics words to solve each task. Show how you know when you can.

Meet the statistics words

Statistics helps us collect, organise and understand information. That information is called data. The population is the full group being studied. In the project, Oliver and Ana record how many kiwi are seen at four monitoring sites over one week.

Monitoring site

Kiwi sightings

Fern Track

3

Ridge Lookout

5

Stream Edge

2

Ponga Shelter

5

1.In this project, what does the word data mean?
  • Information collected, such as the number of kiwi sightings
  • A place where kiwi sleep
  • A guess that has not been checked
  • A set of instructions for a game
2.The data in the table is about kiwi sightings at monitoring sites. What is the whole group being studied called?
3.Which monitoring site had the greatest number of sightings, and how many were recorded?
4.Oliver says, “The mode is 5.” Is he correct? Explain what mode means and use the table to check.
5.Put the sightings in order from smallest to largest: 3, 5, 2, 5. What is the median, or middle value?
2345
6.Ana finds the mean (average) number of sightings by adding the four site totals and dividing by 4. What is the mean?

Choose, collect and explain

The recovery team wants to learn more, but a good question must collect information that can be counted or sorted.

7.Which question would collect useful data about kiwi activity?
  • How many kiwi calls were heard at each monitoring site?
  • Are kiwi interesting?
  • Why is the forest beautiful?
  • Would you like to be a kiwi?
8.The team records the number of kiwi calls heard at four sites: 4, 1, 4, 3. Find the mode. What does it tell the team?
9.Write one data-collecting question the recovery team could ask. Name one kind of answer it might collect, such as a number or a category.

3 printable pages

  • Statistics Vocabulary Introduction, page 1 of 3: Meet the statistics words

    Page 1

  • Statistics Vocabulary Introduction, page 2 of 3: Choose, collect and explain

    Page 2

  • Statistics Vocabulary Introduction, page 3 of 3: 9. Write one data-collecting question the recovery team could ask. Name one kind of…

    Page 3

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