In a study conducted by the Water Resources Center and

In a study conducted by the Water Resources Center and

In a study conducted by the Water Resources Center and analyzed by the Statistics Consulting Center at the Virginia Polytechnic Institute and State University, two different wastewater treatment plants are compared. Plant A is located where the median household income is below S22000 a year, and plant B is located where the median household income is above $60000 a year. The amount of wastewater treated at, each plant (thousand gallons/day) was randomly sampled for 10 days. The data are as follows:
Plant A: 21 19 20 23 22 28 32 19 13 18
Plant B: 20 39 24 33 30 28 30 22 33 24
Can we conclude, at the 5% level of significance, that the average amount of wastewater treated at the high income neighborhood is more than that from the low income area? Assume normality.

Is this the question you were looking for? If so, place your order here to get started!