STA 138
Categorical Data Analysis
Fall 2009
Homework #1 (Due Friday Oct 2) . 1. 2. 3. 4. 5. Problem 1.2, page 16. Problem 1.4, page 17. Problem 1.6, page 17. Problem 1.8, page 18. Problem 1.10, page 18.
Reading Assignment: Please read Chapter 1 of the tex
Chapter 3
2 Let X = number black, Y = number white, and
Z = number red.
(a)
fY (y)
=
=
pq r
x y z
p(x, y, z) = p+q+r
(c)
n
(x2 y 2 )ex /2
,
ey (y + 1)
y>0
(x2 y 2 )ex /2
,
=
ey (1 y)
y<0
3 x2 y 2
fY |X (y | x) =
4 x3
fX|Y (x | y)
(b)
pq
p(x, y) =
x
r
nx
Stat 130A, Fall 2014
Homework # 1
Due Wednesday, October 15
Assigned problems, Section 1.8: # 8, 9, 18, 24, 26, 28, 31, 32, 40, 45, 47, 53.
Practice problems (These problems are not assigned, but they are relevant to the
current homework. Your questions a
Stat 130A
Homework # 6
Due Wednesday, December 3
* Please note that this assignment covers 2 weeks of class material *
Assigned Chapter problems:
Section 4.8: 2(b), 4 (d), 8 (c), 14 (c), 19, 20, 26, 36, 38, 40, 58, 64, 68, 70 and 72.
For practice:
Exercis
Stat 130A, Fall 2014
Homework # 2
Due Wednesday, October 22
Assigned Chapter Problems:
Section 1.8: # 57, 61, 63, 64, 66, 71, 76; Section 2.9, # 3, 6, 12, 13, 20
Practice problems (These problems are not assigned, but they are relevant to the
current home
LQLfUre 7.
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STA 130A - Fall 2015 - Chapter 7 - Notes 1
Definition 1. X1 , . . . , Xn are called a random sample of size n from the population f ()
if X1 , . . . , Xn are mutually independent random variables and the marginal density (or
pmf) of each Xi is f (). Alter
Stat 130A
F.J. Samaniego
Homework # 3
Due Wednesday, October 29, 2014
Note: Since the graded HWK # 3 papers will not be returned to you before the
Midterm Exam on November 3, it is recommended that you make a Xerox copy of
your solutions before turning th