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A wholesaler has recently developed a computerized sales invoicing system. Prior to implementing this system, was used, The distrbution fo the numbers of errors per invoice for the manual system is as follows:More Then 31%After implementation of the computerized system, a random sample of 500 invoices gives the following error distribution:More Then 31a. Show that it is appropriate to carry out a chi-square test using this data.b. Use the following excel output to determin wheather the error percentages for the computerized system differ from those for the manual system at the .05 level of significance.What do yo conclude?( f – e ) ^ 2/E4.450622.50003.26671.80003.2000p-value 0.0000001096 square
A wholesaler has recently developed a computerized sales invoicing system. Prior toimplementing this system, was used, The distrbution of the numbers of errors per invoice for themanual system is...
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