Ch. 8: Bivariate Analysis

Question 1

Correlation Coefficient

Answer 1

A single number between -1 and + 1 that best summarizes the linear relationship between two variables with ordinal, interval, or ratio measurement

Question 2

Cross-tabulation

Answer 2

A statistical analysis to assess the relationship between two variables with nominal measurement

Question 3

Data Analysis

Answer 3

investigaes teh relatinships between two or more variables

Question 4

Difference in means test

Answer 4

a statistical test involving one binary independent variable and one variable with ordinal, interval, or ratio measurement that compares the average value of the dependent variable for two groupings of the independent variable

Question 5

Inverse correlation

Answer 5

a correlation in which as one variable increases, a second variable decreases

Question 6

P Value

Answer 6

the probability of observing a particular result in a given sample when the null hypothesis is actually true for the population from which the sample was derived

Question 7

Postive Correlation

Answer 7

A correlation in which as one variable increases a second variable also increases