Estimate the difference in vacancy rates between two cities

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Office occupancy in a city is an indication of the economic health of the region in which it is located. A random sample of offices in two cities was? selected, and the number of vacancies was recorded. The data are linked below. Construct a 90?% confidence interval to estimate the difference in vacancy rates between these two cities. What conclusions can be? made?

City 1 City 2
x1=27 x2=15
n1=170 n2=135

The 90?% confidence interval for the difference ?(p1-p2?) is ?(,)

?(Round to three decimal places as? needed.)

Reference no: EM132869995

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