9.75 f a&b

Project Description:

studies conducted by the manufacturer of boston and vermont asphalt shingles have shown product weight to be a major factor in the customer's perception of quality. moreover, the weight represents the amount of raw materials being used and is therefore very important to the company from a cost standpoint. the last stage of assembly line packages the shingles before the packages are placed on wooden pallets. once the is full (a pallet for most brands holds 16 squares of shingles), it is weighed, and the measurement is recorded. the file provided contains weight in pounds from a sample of 368 boston shingles and 330 from vermont shingles.

a) for boston shingles, is there evidence that the population mean weight is different from 3,150 pounds?

b)interpret the meaning of the p-value in (a).
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Price Type: Negotiable

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