Statistics Chapter 12

Question 1 of 12

1

When we study the relationship between two variables we refer to the data as

Select one of the following:

Tri-variate
regression
dependant variable
b-variate

Explanation

Question 2 of 12

1

A _______ diagram is a chart that portrays the relationship between two variables.

Select one of the following:

Scatter
Line
X-Y
Grid

Explanation

Question 3 of 12

1

DEPENDENT VARIABLE The variable that is being predicted or estimated. It is scaled on the

Select one of the following:

b variable
a variable
Y-Axis
X-Axis

Explanation

Question 4 of 12

1

INDEPENDENT VARIABLE The variable that provides the basis for estimation. It is the predictor variable. It is scaled on the

Select one of the following:

a variable
b variable
Y-Axis
X-Axis

Explanation

Question 5 of 12

1

In _ we use the independent variable (X) to estimate the dependent variable (Y):

Select one of the following:

Regression Analysis
Confidence Interval
Coefficient of Correlation
Coefficient of Determination

Explanation

Question 6 of 12

1

An equation that expresses the linear relationship between two variables.

Select one of the following:

Regression Equation
Bi-variate Equation
Coefficient of correlation Equation
Coefficient of determination Equation

Explanation

Question 7 of 12

1

Determining a regression equation by minimizing the sum of the squares of the vertical distances between the actual Y values and the predicted values of Y is known as the...

Select one of the following:

Least squares principle
standard error of estimate
confidence interval
prediction interval

Explanation

Question 8 of 12

1

__ is the predicted value of theY variable for a selected X value.

Select one of the following:

Y'
ß
Se
r

Explanation

Question 9 of 12

1

is the Y-intercept. It is the estimated value of Y when  X = 0.

Select one of the following:

a
b
X
Y'

Explanation

Question 10 of 12

1

___ is the slope of the line, or the average change in Y' for each change of one unit (either increase or decrease) in the independent variable, X.  

Select one of the following:

a
b
Y'
X

Explanation

Question 11 of 12

1

	Created by Bradford Richard almost 9 years ago

for NBCC Statistics ii course

Statistics Chapter 12

Statistics Chapter 12

Question 1 of 12

When we study the relationship between two variables we refer to the data as

Select one of the following:

Explanation

Question 2 of 12

A _______ diagram is a chart that portrays the relationship between two variables.

Select one of the following:

Explanation

Question 3 of 12

DEPENDENT VARIABLE The variable that is being predicted or estimated. It is scaled on the

Select one of the following:

Explanation

Question 4 of 12

INDEPENDENT VARIABLE The variable that provides the basis for estimation. It is the predictor variable. It is scaled on the

Select one of the following:

Explanation

Question 5 of 12

In ________ _________ we use the independent variable (X) to estimate the dependent variable (Y):

Select one of the following:

Explanation

Question 6 of 12

An equation that expresses the linear relationship between two variables.

Select one of the following:

Explanation

Question 7 of 12

Determining a regression equation by minimizing the sum of the squares of the vertical distances between the actual Y values and the predicted values of Y is known as the...

Select one of the following:

Explanation

Question 8 of 12

__ is the predicted value of theY variable for a selected X value.

Select one of the following:

Explanation

Question 9 of 12

is the Y-intercept. It is the estimated value of Y when X = 0.

Select one of the following:

Explanation

Question 10 of 12

___ is the slope of the line, or the average change in Y' for each change of one unit (either increase or decrease) in the independent variable, X.

Select one of the following:

Explanation

Question 11 of 12

_____________ measures the scatter, or dispersion, of the observed values around the line of regression.

Select one of the following:

Explanation

Question 12 of 12

We model the linear relationship in the population by the equation:

Select one of the following:

Explanation

DEPENDENT VARIABLE The variable that is being predicted or estimated. It is scaled on the

INDEPENDENT VARIABLE The variable that provides the basis for estimation. It is the predictor variable. It is scaled on the

In _ we use the independent variable (X) to estimate the dependent variable (Y):

is the Y-intercept. It is the estimated value of Y when  X = 0.

___ is the slope of the line, or the average change in Y' for each change of one unit (either increase or decrease) in the independent variable, X.  