Examlex
A college instructor is interested in whether assigning mandatory homework affects students' grades.Since she is currently teaching two sections of the same class, the instructor assigns homework to one of the classes and just recommends homework problems to the second class.Then she determines the number of people in each class that will receive an A, B, C, D, or F on the final exam.What type of statistical test should the instructor use to analyze her data?
Parsimonious
A characteristic of an explanation or theory that requires the fewest assumptions, variables, or changes to be effective or accurate.
Replicable
Capable of being repeated or duplicated under the same conditions, allowing for the verification of results.
Statistically Significant
A determination that a result from data analysis is not likely to have occurred by chance alone, indicating a true effect or difference.
Mathematical Calculations
The process of performing operations on numbers or symbols according to systematic rules to arrive at a result or solution.
Q15: Which statistical tool allows one to predict
Q25: A 4-year-old believes that the squeakiness of
Q41: It would be preferable to have a
Q44: When performing a hypothesis test for
Q65: One of the assumptions of the Wilcoxon
Q77: The interquartile range measures variability as the
Q86: Line graphs are used to represent the
Q94: If two variables are negatively correlated, then
Q96: In the social sciences, there are numerous
Q101: (Figure: Intelligence and Teaching Efficacy) The type