1. The just in time policy of inventory control is growing in popularity. For example, General...
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1. The "just in time" policy of inventory control is growing in popularity. For example, General Motors spent $2 billion on its Oshawa, Ontario, plant so that it will be less than one hour from most suppliers. Suppose that an automobile parts supplier claims to deliver parts to any manufacturer in an average time of less than one hour. In an effort to test the claim, a manufacturer recorded the times of 24 deliveries from this supplier. These data are listed below. Can we conclude at the 5% level that the supplier's assertion is correct? DELIVERY TIME (IN MINUTES) 55 62 58 63 48 60 53 45 61 72 55 49 58 64 57 62 51 59 64 51 58 61 52 69 1. The "just in time" policy of inventory control is growing in popularity. For example, General Motors spent $2 billion on its Oshawa, Ontario, plant so that it will be less than one hour from most suppliers. Suppose that an automobile parts supplier claims to deliver parts to any manufacturer in an average time of less than one hour. In an effort to test the claim, a manufacturer recorded the times of 24 deliveries from this supplier. These data are listed below. Can we conclude at the 5% level that the supplier's assertion is correct? DELIVERY TIME (IN MINUTES) 55 62 58 63 48 60 53 45 61 72 55 49 58 64 57 62 51 59 64 51 58 61 52 69
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Given data Delivery Time Minutes 55 62 3 72 Mean x Exi n S 69 5... View the full answer
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