1) Please write out a problem that involves descriptive statistics (think Chapters 3 or 4). 2) Please design an experiment and describe how you would use random assignment. 3) Please design a quasi-experiment and describe how you would use random assignment, 4) Please draw diagrams of a positive correlation, a negative correlation, and a zero correlation. ' 5) Please write out an operational denition for the variable \"joy.\" 6) Please list an example of the following: a. Nominal variable b. Ordinal variable c. Interval variable d. Ratio variable Continuous variable Discrete variable . Quantitative variable . Qualitative variable {3'09 {-159