- School systemDownload .TXT file Open in Data Desk ?Link
- Methods: Analysis of Variance
- Source: http://www.scottishhillracing.co.uk
- Number of Cases: 120
A school district superintendent wants to test a new method of teaching arithmetic in the fourth grade at his 15 schools. He plans to select 8 students from each school to take part in the experiment, but to make sure they are roughly of the same ability, he first gives a test to all 120 students. The data hold the scores of the test by school.
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