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1.A researcher working with data about individuals’ ages and theirincome wants to know how income is related to age. Does income goup or down or remain constant with age? Which analysis would helpthe researcher understand this relationship best?

2.	A.	correlationanalysis
	B.	logisticregression analysis
	C.	meanscomparison analysis
	D.	regressionanalysis

1.A researcher is working with two variables measured at the intervallevel. Which statistical tool should the researcheruse?

2.	A.	χ2analysis
	B.	cross-tabulation
	C.	correlationanalysis
	D.	proportionanalysis

Therelationship between two variables is called ______.

	A.	regression
	B.	association
	C.	correlation
	D.	Affiliation

1.In a scatterplot, the ______ variable is measured on the horizontalaxis and the ______ variable is on the vertical axis.

2.	A.	dependent;intervening
	B.	dependent;independent
	C.	control;dependent
	D.	independent;dependent

1.A Pearson’s r value of .51 signifies a ______.

2.	A.	weaknegative relationship
	B.	moderatepositive relationship
	C.	weakpositive relationship
	D.	moderatenegative relationship

Theformula y =a +b(x) representsthe ______.

	A.	correlation coefficient
	B.	Pearson’s r
	C.	regression coefficient
	D.	regression line

1.A researcher is studying her students’ test scores and the amountof coffee (number of cups) consumed before the exam. In theequation y = a + b(x)which variable represents the test scores?

2.	A.	a
	B.	b
	C.	y
	D.	x

1.In the equation y = a + b(x)which variable represents the y-intercept?

2.	A.	x
	B.	y
	C.	b
	D.	a

1.In the equation y = a + b(x),b stands for the ______.

2.	A.	regressioncoefficient
	B.	dependentvariable
	C.	correlationcoefficient
	D.	independentvariable

9multible choice questions. i forghotten to numeric them.