Based on the Following Results,which Would Be the Correct Use

question 31

Multiple Choice

Based on the following results,which would be the correct use of the formula,t = (M₁ - M₂) / S_difference?
Sample 1: Mean = 60; Variance of the distribution of means = 2
Sample 2: Mean = 50; Variance of the distribution of means = 7

• A)t = (7 - 2)/ √(50+60)
• B)t = (60 - 50)/ √(2²+7²)/2
• C)t = (60 - 50)/ √(2+7)
• D)t = (60 - 50)/ (2+7)

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Definitions:

Scarce Resources

Raw materials, labor, and capital that are limited in availability, requiring societies to make decisions on their allocation and use.

Unit-Costs

Expenses a firm faces for producing, holding, and marketing one unit of a given product or service.

Restricts Trade

Actions or policies implemented by governments or economic entities to limit or control the exchange of goods and services across borders.

Specialization of Production

The process in which individuals, firms, or countries focus on producing a limited range of goods or services to gain economies of scale or advantages by virtue of unique skills, resources, or technology.