View Answered Questions
No. & Date Asked  Question 

# 766 :: 6/23/09

A researcher has a series of Likertscaled items and a measure of frequency of absenteeism. He uses each of the Likertscaled items in a separate biva. . .
Correlation,
NonLinear Correlation 
# 764 :: 6/23/09

Suppose Abraham Lincoln had answered a survey questionnaire in which he indicated that he had not received a grade school diploma. The researcher foun. . .
Correlation 
# 712 :: 5/3/09

Make up a scatter diagram with 10 dots for each of the following situations: (a) perfect positive linear correlation, (b) large but not perfect positi. . .
Scatter Diagram,
Correlation,
Curvilinear Correlation 
# 710 :: 4/30/09

Discuss how the statistical application of Pearson r is used for hypothesis testing. Through application of the Spearman Correlation discuss what typ. . .
Correlation,
Pearson r,
Spearman Correlation 
# 565 :: 12/19/08

The coefficient of correlation between two variables X and Y was computed to be ƒ{0.60. This means
a. the coefficient of determination is 0.
b. a. . .
Correlation,
coefficient of determination 
# 544 :: 12/10/08

(a) How does correlation analysis differ from regression analysis? (b) What does a correlation coefficient reveal? (c) State the quick rule for a sign. . .
Correlation,
correlation coefficient ,
Regression Analysis,
significant correlation 
# 539 :: 12/9/08

The following sample observations were randomly selected
X: 5 3 6 3 4 4 6 8
Y: 13 15 7 12 13 11 9 5
Determine the coefficient of correlati. . .
Correlation,
coefficient of determination 
# 380 :: 9/11/08

What is the relationship between the sign of the correlation coefficient and the sign of the slope of the regression line?. . .
Correlation,
Regression Line 
# 185 :: 5/7/08

Hi I am performing a regression analysis with 3 x variables.
My question is, if I have high p values (i.e. above 0.05) for each of the x coefficie. . .
Regression Analysis,
collinearity,
Correlation 