Topics
Statistics
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New Zealand
Level 4

Interpret sector graphs

Lesson
Practice

Interactive practice questions

A technology company wishes to see what MP3 players people are using. They took a small sample and found the following:

Apple: $156$156

Sandisk: $19$19

Samsung: $32$32

Other: $74$74

Which sector represents Samsung?

A

A

B

B

C

C

D

D
Easy
Less than a minute

Some non-profit organisations were asked how many operations they are running. The results are given below:

Mr Brown did a survey to find out how students usually spend their spare time. Then he recorded the data in the form of a picture graph.

Use the key to answer the following questions:

The adjacent circular diagram represents the results of grade 8 class president elections for the year 2010.

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Outcomes

S4-1

Plan and conduct investigations using the statistical enquiry cycle:– determining appropriate variables and data collection methods;– gathering, sorting, and displaying multivariate category, measurement, and time-series data to detect patterns, variations, relationships, and trends;– comparing distributions visually;– communicating findings, using appropriate displays.

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