Question: Suppose there is a random sample of600 observations, divided into four groups.The table below summarizes the count of observations that were seen in each group.

Suppose there is a random sample of600 observations, divided into four groups.The table below summarizes the count of observations that were seen in each group.

Group 1 Group 2 Group 3 Group 4\\ WE are interested in testing the null hypothesis By : }1 = = = }} = PQ - U.ES . against the alternative hypothesis HA : At least one proportion is incorrect

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