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Please solve the following Statistical problem Step by step In a small city there are 5 primary-cumsecondar}r schools with 10 classes each. The number of

Please solve the following Statistical problem Step by step

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In a small city there are 5 primary-cumsecondar}r schools with 10 classes each. The number of students by classes are given in the following Table: Number of students in Class School 1 School 2 School 3 School 4 School 5 Draw a single stage cluster sample of 3 schools and hence estimate the4 mean number of students per school and estimate the variance of the mean

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