What is data cleaning p193 What are the major techniques we use to clean our

What is data cleaning p193 what are the major

This preview shows page 21 - 23 out of 25 pages.

7. What is data cleaning? (p.193) What are the major techniques we use to “clean” our datafiles? (book and lecture) 8. What is a frequency distribution? (p.200) How do you create a frequency distribution? (p.200-201) Be able to make a correct graphic representation of a frequency distribution. How do people misuse statistics when they make charts and graphs? (p.216) (book and lecture)
Image of page 21
9. What are the three main measures of central tendency? (p.201-204) How are each calculated? (p.202-205) What are "normal" (p.209) and "skewed" (p.195) distributions? How do these statistics usually differ in normal and skewed distributions? (p.205) (book and lecture) Characteristics of a normal curve
Image of page 22
Image of page 23

  • Left Quote Icon

    Student Picture

  • Left Quote Icon

    Student Picture

  • Left Quote Icon

    Student Picture