1. Statistics is a science that collects, processes, presents, analyzes and.. data. a. rejects b. interprets c. optimizes d. includes 2. Cross sectional data may be collected across.. a. cities b. countries c. regions d. all of the above Time series data are collected across time. true false 3. a. b. 4. Population represents partial subjects that are of interest to us in a particular study. a. true b. false