A procurement manager has been tracking delivery performance of her suppliers. Based on the following data...

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A procurement manager has been tracking delivery performance ofher suppliers. Based on the following data 1. Calculate sigmaperformance of these suppliers using Z Score tables and rank orderthem 2. Comment on the performance of these suppliers Supplier A BC Number of deliveries 25 54 70 Number of late deliveries 3 10 12.

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SupplierNumber of deliveriesNumber of late deliveriesProportion of late deliveriesA253012B54100185C70120171The mean proportion of late deliveries 012 0185 0171 3The    See Answer
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