$1.$Define Statistics?

Distinguish between:

a$)$ Primary and Secondary Data

b$)$ Aggregate vs Discrete Data

c$)$ Nominal, Ordinal, Interval and Ratio Data

d$)$ Mean, Mode, and Median

e$)$ Rate vs Ratio

f$)$ Cognitive vs Operational definition

$2)$ List and explain some common sampling methods.

$3)$ What is Variance? What are the various measures of variance?

$4)$ How do you calculate ALOS, Bed Occupancy rate and IPSDs?

$5)$ What are the steps involved in a research? Explain the three types of research designs.