STAT 1100
Extra credit, 20 pts
Due IN CLASS March 28, 2013
In class on Thursday, 3/7/13, we conducted an experiment. The description of the story behind the
problem and how the experiment was carried out is given below. Use this information and what you a
Statistics and Probability for Business Management
STAT 1100

Fall 2013
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Name:_ Recitation Day/Time:_
Homework 5 Due in recitation the week of Monday, February 18 25 points You are encouraged to use Excel as a tool to complete your homework assignment. If you need extra help with Microsoft Excel, you will find links on c
Statistics and Probability for Business Management
STAT 1100

Spring 2011
1
Descriptive Statistics
2
Overview
1. What is Descriptive Statistics?
Sample versus Population
2.
2. Measures of Central Location
3. Measures of Dispersion
4. Measures of Relative Standing
5. Measures of Linear Relationships
6. Misc
CHAPTER 4:
DESCRIPTIV
Name:_ Recitation Day/Time:_
Homework 5 Due in recitation the week of Monday, February 11 25 points You are encouraged to use Excel as a tool to complete your homework assignment. If you need extra help with Microsoft Excel, you will find links on c
Practice Exam 3
Laurel Chiappetta
STAT 1100
1)
A quality control engineer is interested in the mean length of sheet insulation being cut automatically by machine.
The desired length of the insulation is 12 feet. It is known that the standard deviation in
Practice Exam
STAT 1100, 2081
Laurel Chiappetta
Name_
Section:
10AM
11AM
1) The average number of units earned per semester by college students is suspected to be rising. A
researcher at Boston College wishes to estimate the number of units earned by stud
Name: Recitation Day/Time:
STAT1100Homework 4 Due in recitation the week of 25 points You are encouraged to use Excel as a tool to complete your homework assignment. If you need extra help with Microsoft Excel, you will find links on Courseweb unde
Statistics and Probability for Business Management
STAT 1100

Spring 2011
1
Chap 13: Comparing 2 Populations
2
Goals of Chapter 13
Be able to do inference* about
1. the difference between 2 populations means
Case1:
Case1: 1 and 2 are unknown; it is assumed that
Case2: 1 and 2 are unknown; it is assumed that
Both for independent
Practice Exam 3
Laurel Chiappetta
STAT 1100
1)
A quality control engineer is interested in the mean length of sheet insulation being cut automatically by machine.
The desired length of the insulation is 12 feet. It is known that the standard deviation in
Statistics and Probability for Business Management
STAT 1100

Spring 2008
Practice Midterm STAT 1100, 2084 Laurel Chiappetta
Name: _ 1PM 2:30PM 4PM
1. (50 points) For each of the following examples, identify (if there are two variables, show data type for both):
Data type(s) as: Nominal, Ordinal, or Interval The most app
Practice Exam
STAT 1100
Laurel Chiappetta
Name_
1) A table of joint probabilities is shown below, regarding the instructors at the University of
Memphis, where Ai (I = 1, 2, 3) and B j (j = 1, 2) events are defined as follows: A1 = Full professor,
A2 = As
Practice Exam
STAT 1100, 2091
Laurel Chiappetta
Name_
1) A table of joint probabilities is shown below, regarding the instructors at the University of
Memphis, where Ai (I = 1, 2, 3) and B j (j = 1, 2) events are defined as follows: A1 = Full professor,
A
Statistics and Probability for Business Management
STAT 1100

Spring 2011
1
Chap 11: Intro to Hypothesis Testing
2
Goals of Chapter 11
1. How to test hypotheses.
2. Differentiate between and compute type 1 and
type 2 errors.
3. Explain why a larger sample allows for more
reliable decisionmaking.
CHAPTER 11:
INTRO TO HYPOTHESIS
Statistics and Probability for Business Management
STAT 1100

Fall 2013
Four Stages of Statistics
Inference for a
Population Mean
Data Collection !
Displaying and Summarizing Data !
Probability !
Inference
One Quantitative
Lecture 23
October 26, 2016
ZTest
tTest
ChiSquared Test for Population Variance
One Categori
Statistics and Probability for Business Management
STAT 1100

Fall 2013
Four Stages of Statistics
Inference for a
Population Variance
Data Collection !
Displaying and Summarizing Data !
Probability !
Inference
One Quantitative
Lecture 24
October 28, 2016
ChiSquared Distribution
ChiSquared Distribution: continuous
prob
Statistics and Probability for Business Management
STAT 1100

Fall 2013
Four Stages of Statistics
Sampling
Distribution of the
Sample Proportion
Lecture 18
October 14, 2016
Data Collection !
Displaying and Summarizing Data !
Probability
Basics of Probability "
Probability Distributions "
Sampling Distributions
Sample M
Statistics and Probability for Business Management
STAT 1100

Fall 2013
Four Stages of Statistics
Hypothesis Testing
III
Data Collection !
Displaying and Summarizing Data !
Probability !
Inference
One Quantitative
Lecture 22
October 24, 2016
Confidence Intervals and Hypothesis Testing
tTest
ChiSquared Test for Popul
Statistics and Probability for Business Management
STAT 1100

Fall 2013
Four Stages of Statistics
Confidence Intervals
Data Collection !
Displaying and Summarizing Data !
Probability !
Inference
One Quantitative
Lecture 19
October 18, 2016
Confidence Intervals and Hypothesis Testing
tTest
ChiSquared Test for Populat
Statistics and Probability for Business Management
STAT 1100

Fall 2013
Four Stages of Statistics
Hypothesis Testing I
Data Collection !
Displaying and Summarizing Data !
Probability !
Inference
One Quantitative
Lecture 20
October 19, 2016
Confidence Intervals and Hypothesis Testing
tTest
ChiSquared Test for Populat
Statistics and Probability for Business Management
STAT 1100

Fall 2013
Four Stages of Statistics
Hypothesis Testing II
Data Collection !
Displaying and Summarizing Data !
Probability !
Inference
One Quantitative
Lecture 21
October 21, 2016
Confidence Intervals and Hypothesis Testing
tTest
ChiSquared Test for Popula
Statistics and Probability for Business Management
STAT 1100

Fall 2013
Four Stages of Statistics
Sampling
Distribution of the
Sample Mean
Lecture 17
October 12, 2016
Data Collection !
Displaying and Summarizing Data !
Probability
Basics of Probability "
Probability Distributions "
Sampling Distributions
Sample Mean
S
Statistics and Probability for Business Management
STAT 1100

Fall 2013
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