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Consider the data summarised in the table below: Group 1 Group 2 n 32 44 y 22.20 17.62 4.48 2.43 Find the test statistic

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Consider the data summarised in the table below: Group 1 Group 2 n 32 44 y 22.20 17.62 4.48 2.43 Find the test statistic (t-statistic) for the test HA : 1 - 2 > 0.

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