Several news stations have interviewed a researcher who believes there is an association between living near high capacity power lines and an increased risk of certain kinds of childhood cancer. The news stories always highlight two recent publications by the researcher.These news stories are very concerning to some residents of Neighborhood X.

Thirty-five years ago, high capacity power lines were built over 1 mile away from Neighborhood X located in city Y.Since then, the city and neighborhood has grown substantially, and now residents of Neighborhood X live right next to the power lines.In some cases, houses were built almost directly underneath the power lines.The most recent homes in Neighborhood X, which are located nearest the power lines, were built about 10 years ago.

Having read these news reports, several neighborhood residents start to think that cases of cancer among adults and children living in that area might have been caused by the high capacity power lines. These residents have identified 10 persons diagnosed with cancer in the last 10 years.Information about these cases are in the table* below.

How old was the Do they live Does the Does the person work in a What is the person at diagnosis? within % mile of person smoke factory that uses cancer- person's name? (in years) the power lines? cigarettes? causing chemicals? Alex 12 No Yes Not applicable Blake 42 No No Yes Cameron 70 Yes No No Dana 6 Yes No Not applicable Jamie 55 Yes Yes Yes Kyle 62 No Yes No Morgan 14 No Yes Not applicable Peyton 35 Yes No No Riley 67 Yes No Yes Sam 57 No Yes Yes