4. Two research workers classified some people in income groups on the basis of samplingstudies. Their results are as follows:Income groupsRichTotalInvestigators PoorAMiddle1608060300B14012040300Total300200100600Show that the sampling technique of at least one research worker is defective.

Name: 4. Two research workers classified some people in income groups on th
Uploaded: 2024-03-20T07:06:27.000Z
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Description: 4. Two research workers classified some people in income groups on the basis of samplingstudies. Their results are as follows:Income groupsRichTotalInvestigators PoorAMiddle1608060300B14012040300Total300200100600Show that the sampling technique of a

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4. Two research workers classified some people in income groups on the basis of sampling studies. Their results are as follows: Income groups Middle 80 Total Investigators Poor A Rich 160 60 300 B 140 120 40 100 300 Total 300 200 600 Show that the sampling technique of at least one research worker is defective.