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There are four entrances to the Government Center Building in downtown Philadelphia. The building maintenance supervisor would like to know if the entrances are evenly utilized. To investigate, 400 people were observed entering the building. The number using each entrance is reported below. At the .01 significance level, is there a difference in the use of the four entrances?

 

Entrance

Frequency

Main Street

140

Broad Street

120

Cherry Street

90

Walnut Street

50

Total

400

 

 

Statistics and Probability, Statistics

  • Category:- Statistics and Probability
  • Reference No.:- M922181

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