A Researcher Has Developed the Regression Equation Y = 2

question 41

Multiple Choice

A researcher has developed the regression equation y = 2.164 + 1.3657x,where n = 6,the mean of x is 8.667,S_xx = 89.333,and S_e = 3.44.The researcher wants to test if the slope is significantly positive,and he chooses a significance level of 0.05.The critical t value is ______.

• A) 2.776
• B) 2.132
• C) 2.015
• D) 1.943
• E) 1.782

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Definitions:

Marginal Cost

The cost associated with producing an additional unit of output, emphasizing the concept of incremental expense in production processes.

Average Cost

The total cost of production divided by the number of units produced, also called unit cost.

Fixed Cost

Costs that do not change with the level of output produced, such as rent, salaries, or loan payments.

Marginal Cost

Marginal Cost is the change in total cost that arises when the quantity produced is incremented by one unit; it is the cost of producing one more unit of a good.