If we were to graph two variables, let’s say, height (in inches) and GPA, and the graph showed points scattered about in a formless shape, we could say there is: If we were to graph two variables, let’s say, height (in inches) and GPA, and the graph showed points scattered about in a formless shape, we could say there is: If you have five friends who tell you they all have had great experience with their purchase of a Chevrolet, and you used this evidence to decide to buy a Chevrolet, you would be using: When a researcher wants to compare the averages of several (more than two) groups he or she should use: The most commonly used level of confidence when calculating a confidence interval is: Which type of relationship is described by the formula: y = a + bx? In conducting tests of differences between two percentages: The generalization process is often referred to as: The chi-square test is useful for determining: If a researcher wishes to have a 95% confidence interval, he or she should use a Z value of: