Question 1

The correlation between x and y may be expressed as:

Accepted Answer

A)  r2 = 1 - $\frac{\text{variation around y}} {\text{variation around regression}}$ 
B)  r = 1 - $\frac{\text{variation around y}} {\text{variation around regression}}$ 
C)  r2 = 1 - $\frac{\text{variation around regression}} {\text{variation around the mean of y}}$ 
D)  r = 1 - $\frac{\text{variation around regression}} 
{\text{variation around y}}$ 
A)  r2 = 1 - $\frac{\text{variation around y}} {\text{variation around regression}}$ 
B)  r = 1 - $\frac{\text{variation around y}} {\text{variation around regression}}$ 
C)  r2 = 1 - $\frac{\text{variation around regression}} {\text{variation around the mean of y}}$ 
D)  r = 1 - $\frac{\text{variation around regression}} 
{\text{variation around y}}$

Question 2

A normal distribution is typified by:

Accepted Answer

A)  a symmetrical, bell-shaped curve 
B)  the mean, mode, and median values being equal 
C)  half of the cases will fall above the mean, half will fall below the mean 
D)  all of the above 
E)  none of the above 
A)  a symmetrical, bell-shaped curve 
B)  the mean, mode, and median values being equal 
C)  half of the cases will fall above the mean, half will fall below the mean 
D)  all of the above 
E)  none of the above

Question 3

The range may be defined as a:

Accepted Answer

A)  measure of central tendency 
B)  measure of dispersion 
C)  measure of regression 
D)  none of the above 
A)  measure of central tendency 
B)  measure of dispersion 
C)  measure of regression 
D)  none of the above

Question 4

To compute the variance, one must:

Accepted Answer

A)  derive the square root of the mean 
B)  derive the square root of the standard deviation 
C)  square the mean and divide by N 
D)  square the standard deviation 
A)  derive the square root of the mean 
B)  derive the square root of the standard deviation 
C)  square the mean and divide by N 
D)  square the standard deviation

Question 5

The difference between the mean and the arithmetic mean:

Accepted Answer

A)  the level of measurement 
B)  the number of cases handled 
C)  the distribution type 
D)  no difference 
A)  the level of measurement 
B)  the number of cases handled 
C)  the distribution type 
D)  no difference

Question 6

The higher the Lambda figure, the:

Accepted Answer

A)  more error that is involved 
B)  more closely 2 variables are associated 
C)  less error that is involved 
D)  less closely 2 variables are related 
A)  more error that is involved 
B)  more closely 2 variables are associated 
C)  less error that is involved 
D)  less closely 2 variables are related

Question 7

A distribution with little variation-a small standard deviation with respect to the magnitude of variables-is said to be peaked and is referred to as:

Accepted Answer

A)  bi-modal 
B)  platykurtic 
C)  leptokurtic 
D)  modal 
A)  bi-modal 
B)  platykurtic 
C)  leptokurtic 
D)  modal

Question 8

Given the following numbers (6, 6, 5, 5, 3, 2) one can conclude that:

Accepted Answer

A)  the mode is 5 
B)  the mode is 6 
C)  the mean is 5 
D)  the median is 5 
A)  the mode is 5 
B)  the mode is 6 
C)  the mean is 5 
D)  the median is 5

Question 9

Lambda varies from:

Accepted Answer

A)  -1 to 1 
B)  -1 to 0 
C)  0 to 1 
D)  0 to .5 
A)  -1 to 1 
B)  -1 to 0 
C)  0 to 1 
D)  0 to .5

Question 10

Within a normal distribution, what percentage of cases will fall within 2 (+ and -) deviations from the mean:

Accepted Answer

A)  50 
B)  68.28 
C)  95.46 
D)  99 
A)  50 
B)  68.28 
C)  95.46 
D)  99

The correlation between x and y may be expressed as:

A normal distribution is typified by:

The range may be defined as a:

To compute the variance, one must:

The difference between the mean and the arithmetic mean:

The higher the Lambda figure, the:

A distribution with little variation-a small standard deviation with respect to the magnitude of variables-is said to be peaked and is referred to as:

Given the following numbers (6, 6, 5, 5, 3, 2) one can conclude that:

Lambda varies from:

Within a normal distribution, what percentage of cases will fall within 2 (+ and -) deviations from the mean:

Approaches to Methods

Explaining

Experiments, Quasi-Experiments, and Field Observations

Survey Designs

Nonreactive and Comparative Research

Qualitative Research Methods

Critical Approaches to Research: Action and Feminist Research

Three Tests of Significance

Bias

Ethical Issues

Getting the Project Started

Measurement

Questionnaire Development

Sampling and Sample Size

Starting the Data Analysis

Basic Multivarate Techniques

The Research Report

Using Spss for Windows

Filters

Exam 8: A Statistics Primer

The correlation between x and y may be expressed as:

A normal distribution is typified by:

The range may be defined as a:

To compute the variance, one must:

The difference between the mean and the arithmetic mean:

The higher the Lambda figure, the:

A distribution with little variation-a small standard deviation with respect to the magnitude of variables-is said to be peaked and is referred to as:

Given the following numbers (6, 6, 5, 5, 3, 2) one can conclude that:

Lambda varies from:

Within a normal distribution, what percentage of cases will fall within 2 (+ and -) deviations from the mean:

Approaches to Methods

Explaining

Experiments, Quasi-Experiments, and Field Observations

Survey Designs

Nonreactive and Comparative Research

Qualitative Research Methods

Critical Approaches to Research: Action and Feminist Research

Three Tests of Significance

Bias

Ethical Issues

Getting the Project Started

Measurement

Questionnaire Development

Sampling and Sample Size

Starting the Data Analysis

Basic Multivarate Techniques

The Research Report

Using Spss for Windows

Filters