MATH 300 Foundations of Statistics Study guides, Class notes & Summaries

CorrelationA measure of the extent to which two factors vary together, and thus of how well either factor predicts the other. Chi-square testA significance test used to determine if a linear relationship exists between two variables measured on interval or ratio scales. HypothesisA testable prediction, often implied by a theory Null Hypothesis (H0)A statement of "no difference." alternative hypothesisThe hypothesis stating what the researcher is seeking evidence of. A statement of in...

What are 3 measures of central tendency? mean, median, mode What are 5 measures of location? Maximum, Minimum, Quartiles, Percentiles, and Deciles. What are 4 measures of spread? Range, Standard deviation, Interquartile range and variance. How to find the median? N/2 and round up if a decimal. What is the equation to calculate median? Start of interval + (fraction across interval x size of interval)