An Urban Planning Group Is Interested In Estimating The Difference In Mean House

An urban planning group is interested in estimating the difference in mean household income between two neighborhoods. They obtain the 95%confidence interval below 95%CI for difference(-5693,-4107) Show workWhich is truea.This is paired design,b. There is no significant difference in the mean household incomes between the two neighborhoods +0.05c. There is differenced. I only, both I andII, II only,Both Iand III,IIIonly