A Researcher Has Developed a Regression Model from Fifteen Pairs

question 65

Multiple Choice

A researcher has developed a regression model from fifteen pairs of data points. He wants to test if the slope is significantly different from zero. He uses a two?tailed test and ɑ = 0.10. The critical table t value is ___.

• A) 1.771
• B) 1.350
• C) 1.761
• D) 2.145
• E) 2.068

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Definitions:

Tying

A sales practice where one product is sold or leased only on the condition of buying another product or agreeing to terms that are not initially disclosed.

Controversial

Causing debate or disagreement, often due to differing opinions or values.

Oligopoly

A market structure in which a few firms dominate, often resulting in reduced competition.

Collude

When firms work together, often in secret, to fix prices, limit production, or divide markets, in order to increase profits by reducing competition.