iRubric: Scoring Statistics Quizzes and Tests rubric

No explanation of the solution or of a legitimate strategy was provided.

-Provides minimal or unclear explanation of what was done or why it was done, and explanation may not match the presented solution.
-Fails to use diagrams or plots, or uses them incorrectly.
-States an incorrect conclusion or fails to state a conclusion.

-Provides some explanation of what was done, but the explanation may be vague and difficult to interpret. Terminology may be misused.
-Uses diagrams in an incomplete or ineffective way, or diagrams may be missing.
-States a conclusion that is incomplete.

-Provides a clear (but not perfectly organized) explanation, using the correct terminology, of what was done and why. Explanation may be slightly incomplete.
-May miss necessary assumptions or caveats.
-Uses diagrams or plots as required to aid in describing the solution.
-States a conclusion that follows from the analysis, but may be somewhat incomplete.

-Provides a clear, well organized, and complete explanation, using the correct terminology, of what was done and why.
-States necessary assumptions and caveats.
-Uses diagrams or plots as required to aid in describing the solution.
-States a correct and complete conclusion in context.