Homework

H1 (Due 1/26): Ignore questions posed in book. Just answer the following.
Chapter 1: 11*, 13*, 14*, 25**, 26**
Chapter 2: 49***, 55****
* = Is the variable is categorical or quantitative?
** = What is the population and sample?
*** = (a) Make a histogram. Let the first bin be [10,20). (b) Make a stem-and-leaf plot.
**** = (a) Make a histogram. Let the first bin be [20,50). (b) Compute the sample mean $\bar{x}$ and sample median $Q_2$. (c) Is $\bar{x}$ or $Q_2$ a better description of centrality? Why?

H2 (Due 2/2):
Chapter 12: 40, 47(a), 48(a)
Worksheet: h2.pdf

H3 (Due 2/9):
Chapter 12: 33, 37, 38, 54
Worksheet: h3.pdf

H4 (Due 2/16):
Chapter 12: 66, 69, 77, 82, 85, 89, 90

H5 (Due 2/23):
Chapter 12A (yes, 12A): 15, 18*, 23, 26, 30, 37**, 38***
* = Let $X=$ winnings. Part (a) is asking for the probability distribution of $X$.
** = We are selecting without replacement. Let $X=$ number of good batteries. Part (a) is asking for the probability distibution of $X$.
*** = We are selecting without replacement. Let $X=$ number of males. Part (a) is asking for the probability distibution of $X$.

H6 (Due 3/1):
Chapter 12A (yes, 12A): 7, 8
Worksheet: h6.pdf

H7 (Due 3/8):
Worksheet: h7.pdf

H8 (Due 3/22):
Worksheet: h8.pdf

H9 (Due 3/29):
Worksheet: h9.pdf

H10 (Due 4/5):
Worksheet: h10.pdf

H11 (Due 4/12):
Worksheet: h11.pdf

H12 (Due 4/19):
Worksheet: h12.pdf

H13 (Due 4/26):
Chapter 13: 35
Worksheet: h13.pdf

H14 (Due 5/3):
Worksheet: h14.pdf
Worksheet (do not turn in; do before exam): hw.sreg.pdf (hw.sreg.key.pdf, R computer output)
DO YOUR COURSE EVALUATIONS!