12 SL Standard Deviation

Complete the following before our next class. On Monday we start the next chapter (on probability.

(So if you missed any of the assigned homework questions from this chapter, make sure you’ve got all of those questions finished by Monday!)

Exercise 20F.1 questions 1, 2, 4, 5
Exercise 20F.3 questions 1, 4

12 SL Descriptive Statistics Part 2

Complete the following questions before our next class. (Note that you’ll want to read Section 20D to see how to identify outliers.)

Exercise 20B.2 questions 4, 9
Exercise 20B.3 question 3
Exercise 20C questions 1a, 3, 4
Exercise 20D questions 1, 3, 4, 6, 8 (read this section to see how you should identify outliers)
Exercise 20E questions 2, 3, 5

12 SL Descriptive Statistics

Read sections 20A and 20B in our textbook (these are fairly lengthy sections), paying particular attention to the definitions of statistical terms. What’s a discrete variable? What’s a continuous variable? What’s a histogram? What does it mean to say that a distribution is positively skewed? We can discuss any questions you have about these terms in our class on Monday.

Then, complete the following questions.

Exercise 20A questions 1 and 2
Exercise 20B.1 question 2, 5, 8, 11, 12