Two Independent Samples of Sizes 20 and 30 Are Randomly

question 150

Multiple Choice

Two independent samples of sizes 20 and 30 are randomly selected from two normally distributed populations.Assume that the population variances are unknown but equal.In order to test the difference between the population means, , the sampling distribution of the sample mean difference, , is:

• A) normal.
• B) Student-t with 50 degrees of freedom.
• C) Student-t with 48 degrees of freedom.
• D) None of these choices.

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Definitions:

Objections

Concerns or reasons given by a potential buyer against making a purchase, which salespeople aim to overcome.

Price/value Formula

An evaluation method that compares the cost of a product or service to the perceived benefits it provides to the buyer, used to assess its overall value.

Product Objections

Refers to concerns or issues raised by a potential buyer about a product or service being sold.

Product Objection

Product objection refers to reasons or arguments presented by a customer against buying a product or service.