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TeleCall uses 4 centers around the globe to process customer order forms. They audit a certain %of the customer order forms. Any error in order

TeleCall uses 4 centers around the globe to process customer order forms. They audit a certain %of the customer order forms. Any error in order form renders it defective and has to be reworked before processing.The manager wants to check whether the defective %varies by centre. Please analyze the data at 5% significance level and help the manager draw appropriate inferences

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