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Suppose an analyst takes a random sample of 5 recent truck shipments made by a company and records the distance in miles and delivery time in days that the shipment was made available for pick-up The observations are as follows: Distance (miles) 825 215 1000 550 410 Delivery time (days) 2 421 Determine the covariance between the two variables. Use the sample covariance formula Σ-1 (X,-X)(X-Y) 2-1

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