Exhibit 10

question 90

Multiple Choice

Exhibit 10.6.A university wants to compare out-of-state applicants' mean SAT math scores (μ₁) to instate applicants' mean SAT math scores (μ₂) .The university looks at 35 instate applicants and 35 out-of-state applicants.The mean SAT math score for instate applicants was 540,with a standard deviation of 20.The mean SAT math score for out-of-state applicants was 555,with a standard deviation of 25.It is reasonable to assume the corresponding population standard deviations are equal. Refer to Exhibit 10.6.Calculate a 95% confidence interval for the difference μ₁ - μ₂.

• A)[-25.6067,-4.3933]
• B)[-25.7961,-4.2039]
• C)[-25.8124,-4.1876]
• D)[-33.6105,3.6105]

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Definitions:

Difference

A point or way in which people or things are not the same.

Cultural Appropriation

The act of taking or using elements of one culture by members of another culture, often without understanding or respect for its significance.

Minority Group

A group of people who, because of their physical or cultural characteristics, are singled out from the others in the society in which they live for differential and unequal treatment.

Commodity

A basic good used in commerce that is interchangeable with other goods of the same type, often applied to raw materials and agricultural products.