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Stats 2 > Exam 2 clocks > Flashcards

Exam 2 clocks Flashcards

1
Q

in repeating sampling

A

95% of all similarly constructed intervals will contain the true slope

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2
Q

overall adequacy

A

Ho: B1 = B2 = 0
Ha: at least 1 B not equal to 0
α= .05 p= .0002
reject Ho

sufficient evidence to say that monthly demand is linearly related to selling price (x1) and adv. expenditure (x2)

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3
Q

Standard deviation

A

about 95% confident of the actual monthly demand value WILL FALL WITHIN .70 hundred thousand bottles of their PREDICTED VALUES using the 1st order model with selling price and advertising expenditure.

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4
Q

Adjusted R^2

A

use the R^2 adj

about 68% of the SAMPLE VARIATION in monthly demand can be EXPLAINED by the 1st oder model with selling price and advertising

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5
Q

interact PHRASE

A

the RELATIONSHIP BTW demand and price DEPENDS on adv. expenditure

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6
Q

TEST interact

A

B3
not equal to 0
sufficient evidence to say that the RELATIONSHIP BTW DEMAND and price depends on adv. exp.

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Stats 2 (4 decks)

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