STAT 514 Homework 1
Due Sep 4
1. Randomization Test: In a study of egg cell maturation, the eggs from each of four female frogs were
divided into two batches and one batch was exposed to progesterone. After two minutes, the cAMP
content was measured. It i
STAT 514 Homework 2
Due: Sep 11
1. In hypothesis testing, if I keep n xed and decrease the signicance level ( 0), what
happens to the Type I and Type II error probabilities? If I keep xed and increase
sample size n, what happens to the Type I and Type II
STAT 514 Homework 3
Due: Sep 18
1. To study the eects of pesticides on birds, a scientist randomly and equally allocates
N = 65 chicks to ve diets (a control and four with a dierent pesticide included). After
a month each chicks calcium content (mg) in 2
STAT 514 Homework 7
Due: Oct 30
1. A pork producer is interested in a = 4 dierent chemical treatments to reduce PSE
meat. Since each animal carcass can only be split in half (k = 2), generate the blocks
necessary for this experiment assuming there will be
STAT 514 Homework 5
Due: Oct 9
1. Suppose you performed an ANOVA with a = 4 treatments and n = 5 observations per
treatment. If the M SE = 16 and = 0.05, what would the minimum dierence have to
be between any two means for you to conclude they were signic
STAT 514 Homework 9
Due: Nov 20
1. An experiment was performed to investigate the capability of a measurement system.
Ten parts were randomly selected, and two randomly selected operators measured each
part three times. The tests were made in random order
Male 1
0.6
0.4
0.6
0.4
Male 2
1. In order for either male to reach the female in n = 5 moves, he must make X = 3 horizontal moves and
5 X = 2 vertical moves, in any combination.
Random Variables: In n = 5 independent random moves made by each male, define
STAT 514 Homework 6
Due: Oct 21
1. An experiment was designed to study the performance of four dierent detergents for
cleaning clothes. The following cleanness readings (higher=cleaner) were obtained
with specially designed equipment for three dierent typ
STAT 514 Homework 4
Due: Sep 25
1. A factor with three levels was studied in an experiment. The data is given as follows,
in which the rst column includes the treatments and the second column includes the
responses. You can download the data, hw4.dat, fro