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A new school district superintendent preparing to reallocate resources for physically impaired students wanted to know...

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Statistics

A new school district superintendent preparing to reallocateresources for physically impaired students wanted to know if theschools in the district differed in the distribution of physicallyimpaired. The superintendent tested samples of 20 students fromeach of the five schools and found 5 physically impaired (and 15unimpaired) students at School 1, 5 physically impaired (and 15unimpaired) at School 2, 6 (and 14) at School 3, 4 (and 16) atSchool 4, and 7 (and 13) at School 5. Using the .05 significancelevel, test whether the distribution of physically impairedstudents is different at different schools. Figure the chi-squarefor this data set yourself (round to two decimal places). What isthe chi-square obtained?

Answer & Explanation Solved by verified expert
4.5 Ratings (732 Votes)
SolutionState the hypothesesNull hypothesis The distribution of physically impairedstudents is different at different schoolsAlternative hypothesis At least one of the null hypothesisstatements is falseFormulate an analysis plan For this analysisthe significance level is 005 Using sample data we will conducta chisquare test for homogeneityAnalyze    See Answer
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