Brian Swanton
2/18/10
QTM 1310
Homework Set 2
Part B
#1
4.35
Entrepreneurs
Expect to employ 20+
Total
By Choice
89%
14%
103%
By Necessity
Total
11%
100%
2%
16%
13%
116%
a. 12.069% is the probability that an entrepreneur by choice who will employ 20 or mor

Stats Final Exam Cheat Sheet
Chelsea Miller
First Exam
Discrete Distributions: DEALS WITH PROBABILITY
Binomial: use when the discrete random variable is the number of events of interest in a sample of n observations. Is
either yes or no. Gives a rate. Ex.

Forecasting
Monday, September 24, 2012
3:37 PM
The importance of forecasting:
Governments forecast unemployment, interest rates, and expected revenues from income
takes for policy purposes
Marketing executives forecast demand. Sales, and consumer prefer

Multiple Regression
Monday, September 03, 2012
2:57 PM
You can examine the linear relationship between 1 dependent (y) and 2 or more independent
variables (x)
We find b because it is an estimate never the actual answer?
Practice Problem:
We are looking at

Operations Research
Monday, October 15, 2012
3:49 PM
Decision Analysis
Decision making without probabilities
Pay Off Table: this is showing the things you can control versus the things you cant control
Decision
Apartment
Office
Warehouse
States of Nature

Brian Swanton
4/8/10
Homework 3.5
Professor Carver and Recck
QTM 1310
1. The real-life data I found is from a survey on ESPN.com discussing whether NBA player
LeBron James will win the NBA scoring title this season. There were a total of 121,568
responden

Brian Swanton
2/4/10
QTM 1310
3.2, 3.8, 3.26, 3.34, 3.40, 3.46
3.2
7, 4, 9, 7, 3, 12
Ranks: 3 4 7 7 9 12
a.
Mean= Sum of number set = 42 = 7
Total numbers
6
Median = middle ranked number in set = 7
Mode = number that appears most = 7
b. Range = 12 -3 = 9

Brian Swanton
Problem Set 4
4/20/10
QTM 1310
Profs. Carver and Recck
1. BLK 9.75
b. Test and CI for One Proportion
Test of p = 0.21 vs p < 0.21
Sample
1
X
54
N Sample p
903 0.059801
95% Upper
Bound Z-Value P-Value
0.072780
-11.08
0.000
Based on the P-valu

Brian Swanton
QTM 1310-10
Problem Set 3
3/11/10
8.17
a.
b. I am 95% confident that the mean Fat content for chicken sandwiches is between 17.403
grams/serving and 28.997 grams/serving.
c. I must assume that the sample of 20 sandwiches is representative of