STATS-250-F Applied Statistics
Part 1: Course Information
Instructor Information
Instructor: Longqing Li
Email: lli4@suffolk.edu
Office: Room 1003, 10th floor, 73 Tremont St.
Office Hours:
Monday and Wednesday 4:00pm 5:30 pm and by appointment
Cours
14~17 Century
Xinming Li
The Renaissance
1.Renaissance was happened in 14 to 17 century,
in Europe. It was an action which about the
ideology and culture changed.
2. Renaissance was supported humanist. It
showed humans value to live.
3. Renaissance was ha
1/19/16
Ch. 1
Statistic=> Extract useful info from data
i)
Weakest form of data is called nominal data
a. All you can do is categorize the data (male/female)
i. With nominal data, all you can calculate is proportion
ii)
Ordinal data, you can categorize an
40
46
32
52
If we treat our observations as population data:
Range
Population Size
Mean
Median
Mode
Variance
Standard Variance
Coefficient of Variance
If we treat our observations as sample data:
Range
Sample Size
Mean
Median
Mode
Variance
Standard Varian
1.)
a.)
0.1171
BINOM.DIST(10,20,0.4,FALSE)
b.)
0.8725
BINOM.DIST(10,20,0.4,TRUE)
c.)
0.9997
BINOM.DIST(15,20,0.4,TRUE)
a.)
94.55
24,584/260
b.)
0.0342
POISSON.DIST(100,94.55,FALSE)
c.)
0.7332
POISSON.DIST(100,94.55,TRUE)
2.)
A local restaurant is committed to providing its patrons with the best dining
experience possible. On a recent survey, the restaurant asked patrons to
rate the quality of their entres. The responses ranged from 1 to 5, where 1
indicated a disappointing en
It came as a big surprise when Apples touch screen iPhone 4, considered by
many to be the best smartphone ever, was found to have a problem (The
New York Times, June 24, 2010). Users complained of weak reception, and
sometimes even dropped calls, when the
STATS-250
Name: Tou Zong Her
Chapter 1 and 2
1.
Player Name:
Alex Rodriguez
Vernon Wells
CC Sabathia
Mark Teixeira
Joe Mauer
Johan Santana
Todd Helton
Miguel Cabrera
Roy Halladay
Ryan Howard
Salary:
$ 32,000,000.00
$ 26,187,500.00
$ 24,285,714.00
$ 23,125
STATS-250
Name: Tou Zong Her
Quiz: Chapter 3
You have 10 minutes to answer the following questions. SHOW ALL YOUR WORK to
get any credit.
Formula
Mean:
Sample Variance:
Population Variance:
Consider a sample with data values of
53
55
70
53
69
53
(1 point)
STATS 250
SHOW ALL OF YOUR WORK FOR CREDIT
[w
Question #1 (30 oints)
A bowlers 3001' s for nine (9) games were:
Psi 1K} in 192 17:~2\17a\ 17\1 lit: 190
Name:
Use these data as a sample and calculate the following descriptive statistics:
Sample Mea
Notes and Questions - Chapter 9
Brief review on Chapter 9
1. Introduction to hypothesis testing
(1) General guideline for setting up the null and alternative hypothesis
: Whatever you wish to establish is placed in the alternative hypothesis whereas the n