1
2/23/15
To understand Gods thoughts we must study statistics, for these are the measure of His
purpose. Florence Nightingale
Normal distribution
Empirical rule N( M: (TL)
0.4
34.1% 34. %
0.0 0.1 0.2 0.3
Measure of relative standing: standard score, al

1
2/20/15
"Youve never heard of the Millennium Falcon? It's the ship that made the Kessel run in less
than 12 parsecs. - Han Solo
Contingency analysis: association between categorical variables
Example 1: The death of adult men and women passengers follow

1/16/15
The man who does not read has no advantage over the man who cannot read.
Mark Twain
Sampling distribution
Example: Let the population be the 20,290 known and predicted genes of the published
genome sequence. We are interested in their lengths.
Hi

1
1/21/15
Never put off till tomorrow what may be done day after tomorrow just as well. - Mark
Twain
Probabiliy
EventA is said to be a subset of event B if a, gawk wet/115 cfw_A A are M50 FA 3-
?enoll b)! A C B
a Asuzs, E=1253 AQLE
, M
E uall likel sim le

1
2/04/15
"Well, that's the news from Lake Wobegon, where all the women are strong, all the men are
good looking, and all the children are above average." Garrison Keillor
Confidence intervals for proportions (the Agresti-Coull method)
.l Xl-Z
l7:-
n+4
l

1/23/15
"Nobody goes there anymore; it's too crowded." - Yogi Berra
Ex2: Jewel wasp
Nasonia vitripennis females can manipulate the sex of the eggs that they lay.
95% female
5% male
Host not Host
parasitized (80% parasitized (20%)
10%
female
Host already S

2/25/15
Procrastination is the art of keeping up with yesterday. Don Marquis
One-sample t-test
Normal human body temperature is 98.6 F. Researchers obtained body temperature
measurements on 25 randomly selected healthy people:
98.4, 98.6, 97.8, 98.8, 97.9

1
1/30/15
What the world needs is more geniuses with humility, there are so few of us left.
-Oscar Levant
Binomial distribution
Let X be the number of succesggm n trials, where the outcome of any single trial is either
success or failure. The trials are i

1
Wart ll '-
2/02/15
"Whats amazing is, if young people understood how doing well in school makes the rest of
their life so much interesting, they would be more motivated. It's so far away in time that they
cant appreciate what it means for their whole li