Rumbling Tummy
How can Jackson make a more accurate survey so that he can find out where New Zealand school students get their lunch from? The focus of this lesson is to determine how sample size influences the accuracy of a survey. Students will take random samples of various sizes using the Random Sampler tool on the CensusAtSchool website. They will compare the results of these samples with the overall population statistics.
Resources:
Level 4
Achievement Objectives
- Level 4
- S4-1Plan and conduct investigations using the statistical enquiry cycle
- A determining appropriate variables and data collection methods
- S4-1Plan and conduct investigations using the statistical enquiry cycle
- Keywords: Bar graphs, Inference, Sample size, Sampling methods, Sampling variability, Survey
- (Last updated: 12/12/12. Added: 14/02/11)
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