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The director of marketing resources from the RLS inc company which deals with production of high speed and very high capacity circuit cards employed exclusively for high end computers gathered the following data on number of circuit cards bought by corporations by month. At the .05 level of significance can director conclude that there is the difference in the number of circuit cards bought by month? What is your conclusions and recommendations?

Day Frequency
April 82
May 96
June 112
July 158
August 168

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