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The curve that characterizes outcomes of a continuous random variable is called

ID: 2948456 • Letter: T

Question

The curve that characterizes outcomes of a continuous random variable is called a ________. A. cumulative distribution function, c(x) B. probability mass function, p(x) C. continuous random function, r(x) D. probability density function, f(x)

The expected value of a random variable corresponds to the notion of the ________ of a sample.

If a variable is removed from the regression model when the t-statistic is lesser than 1, ________.  

A. the standard error will decrease

the p-value will increase

the Adjusted R2 will decrease

the Multiple R will increase

A. the standard error will decrease

B.

the p-value will increase

C.

the Adjusted R2 will decrease

D.

the Multiple R will increase

Explanation / Answer

Answer

Part (a)

The correct answer is option D

i.e

Probability Density Function (pdf), F(x)

Part (b)

Possible values of a sampe

If a variable is removed from the regression model when the t statistics is lesser than is.....

the p value will increase.

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