Question

A sample survey of profession of guardians in X and Y schools were carried out in the survey, data was collected for 200 guardians. in school X, 3% guardians were teachers whereas in school Y, this proportion was 4%. In school X the number of retired guardians was 68, and guardians engaged in business was 21. In school Y, 72 guardians were employed in service and 75 were in business​

Answer 1

Answer:

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Answer 2

Answer:

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