1-)Selecting a topic for a speech can be sort of a daunting task without direction. Why is it important to know your general purpose as you are selecting your speech topic? What are some techniques that you will use to choose a topic appropriate for the assignment, your audience of peers, and the overall speech purpose? Finally, in your own words, explain the difference between an informative speech and a persuasive speech. 2-) Why do we prefer the median as a better measure of central tendency when the data are positively/negatively skewed? Are there times in which mean or mode should be used instead? Explain your answer.