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Peterbc asked:
Chi Square Problem
Car sales for last year totaled 500. The sales in each district were: A = 20%, B = 10%,
C = 30%, D = 40%. This year car sales in the districts are A = 85, B = 60, C = 175 and
D = 180 Cars. Determine of the car sales this year differ significantly for the sales in the prior year at a level of significance of 0.05.