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16 high-socioeconomic-status recent business gradu- ates, the mean total compensation was $34,500 and the sample standard deviation was $8,520. For an in- dependent random sample

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16 high-socioeconomic-status recent business gradu- ates, the mean total compensation was $34,500 and the sample standard deviation was $8,520. For an in- dependent random sample of 9 low-socioeconomic- status recent business graduates, the mean total compensation was $31,499 and the sample standard deviation was $7,521. Find a 90% condence interval for the difference between the two population means

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