Small manufactured goods are often gathered into large batches, called lots, for

ID: 3020438 • Letter: S

Question

Small manufactured goods are often gathered into large batches, called lots, for purposes of shipping and handling. Suppose an inspector selects an SRS of 20 items from a lot of 1,000 items. (1 pts) (a) Describe the steps involved in generating the SRS of 20 items. (b) Suppose, before evaluating the 20 items, the inspector decides that a sample of size 30 should be used instead. Describe a method by which a valid SRS of 30 from the lot could be formed without discarding the 20 items already selected. Explain your reasoning.

Explanation / Answer

Describe the steps involved in generating the SRS of 20 items.

step 1 select the sample size of the 1000 items

step 2 select randomly each item

Suppose, before evaluating the 20 items, the inspector decides that a sample of size 30 should be used instead. Describe a method by which a valid SRS of 30 from the lot could be formed without discarding the 20 items already selected. Explain your reasoning.

it is valid of 30 from the lot when you are deciding that you will need a sample more bigger

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Small manufactured goods are often gathered into large batches, called lots, for

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