A policy maker in a department of urban development is faced with budget cuts, and needs to select a public park to demolish. Faced with a hard decision, he determines the best way to choose is to determine which open space is used least often by families with children. He records the attendance of each park by families over a two-hour interval, making sure to record each at the same time on the same day of the week. Aware that certain things like weather may affect the outcome, he wants to use statistics to see if the results are reliable. Using a one-way chi-square, determine if the null hypothesis is true, that the parks actually have the same attendance.

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Public Park Washington Park Observatory Park City Park Cheesman Park Crestmoor Park Harvard Gulch Park Stapleton Central Park Families 98 106 92 97 101 99 100