If a ball lying on a level table is given a gentle push, it won't roll too far.

A perfectly round ball on an endless table won't move if left alone, but can roll forever if pushed.

Galileo first came to a conclusion which Newton later stated as his first law of motion. 2.Read each textbook selection below. Then take study notes by 1) writing down the key term and its definition, 2) selecting an example that makes the definition clear, and 3) writing that example in your notes, condensing it if possible. Passive listening occurs when a listener tries to make sense out of a speaker's remarks without being able to interact with the speaker. Probably the most familiar example of passive listening would be students hearing an instructor's lecture without having the opportunity to ask questions or otitierwise interact with the speaker. Passive listening also takes place.in interpersonal settings, as when one person dominates a conversation while the others fall into the role of audience members, or when some parents lecture their ctdldren without allowing them to respond. Study notes: —— Example——

综合反映总体各单位某一数量标志的发展趋势

综合反映总体各单位某一数量标志的差异性

说明分配数列中变量的集中趋势

说明分配数列中变量的离散趋势

表明分配数列中变量的变动范围或离差程度