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An urban planning group is interested in estimating the difference between mean household income for two...
show steps STAT 211 Business Statistics I Q4. (2+5+3=10 pts.) An urban planning group is interested in estimating the difference between the mean household incomes for two neighborhoods in a large area. Independent random samples of households in the neighborhoods provided the following results. Neighborhood 1 Sample size=8 Sample mean=$15700 Sample St. Deviation=$700 Neighborhood 2 Sample size=12 Sample mean $ 14500 Sample St. Deviation=850 a. Find point estimate for the difference between the mean incomes in the two neighborhoods. b....