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Ghana national association of teachers is studying the average class size for KG classes in three...

Ghana national association of teachers is studying the average class size for KG classes in three different districts covering three major towns in the country. the respondents to a survey provide the following data on such classes

District A District B District C
18 21 24
18 20 23
20 22 25
19 20 23
20 17 20
25 21 24

Using analysis of variance, determine whether there is any difference in the average class sizes in the different school districts level of significance

Math   Statistics-And-Probability   
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Answer #1

Solution:

Here alpha is 0.05

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