Statistics Assignment: Urgent

1. Any distribution of values may be completely and accurately described by presenting three pieces of information. What are those 3 pieces?

2. What distinguishes a true experiment from a quasi experiment?

3. What two inferences can be drawn from data collected from a sample?

4. For the following hypothesis, what is the dependent variable: Nursing students who learn health assessment “on-site” receive higher scores on the NCLEX than nursing students who learn health assessment through a virtual, on-line course ?

5. In what form is the hypothesis in question # 4 stated?

6. For a research study in which the outcome of the intervention is measured as “optimal” vs. “sub-optimal,” what level of measurement is employed?

7. If a distribution of scores has a mean of 65.5, a median of 77.8 and a standard deviation of 15, what is the shape of the distribution?

8. What measures of central tendency and variability are appropriate in describing a multi-modal distribution shape?

Central Tendency:_____________________

Variability:____________________

Briefly define each of the following:

9. Statistic:

10. Frequency Polygon:

11. Percentile:

12. Ordinal Data: