A Statistics Teacher Wants to See If There Is Any

question 50

Multiple Choice

A statistics teacher wants to see if there is any difference in the abilities of students enrolled in statistics today and those enrolled five years ago.A sample of final examination scores from students enrolled today and from students enrolled five years ago was taken.You are given the following information. ​ What is the conclusion that can be reached about the difference in the average final examination scores between the two classes? (Use a .05 level of significance.)

• A) There is a statistically significant difference in the average final examination scores between the two classes.
• B) There is no statistically significant difference in the average final examination scores between the two classes.
• C) It is impossible to make a decision on the basis of the information given.
• D) The students who enrolled in statistics today are the same students who enrolled five years ago.

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Definitions:

Economic Profit

The difference in overall financial returns and total operational expenditures, including both specific and assumed costs.

Lower Production Costs

Lower production costs refer to a reduction in the expenses associated with creating a product or service, which can lead to increased profitability.

Economically Efficient

A situation in which resources are distributed in a manner that maximizes overall societal benefits.

Production Techniques

The methods and processes employed in the manufacturing of goods or provision of services, often aimed at improving efficiency and productivity.