Chapter-2 Instructions
by Dr. Kishor Guru-Gharana
Grouped data: The raw data can be very large. Looking at the raw data it may be difficult to see
or understand any pattern. Therefore it helps in our understanding if the data is organized by
grouping into
BA 302: Assignment 2-Solution: Chapters: 5, 6, and 7: Total 124 points + 1 point
for attempting all questions = 125
To be emailed by Midnight (11:59 pm), Monday, June 22nd, 2015
TRUE/FALSE (2 Points EACH)
Chapter 5
1. If events A and B are independent, th
1
BA 302: Assignment 1-solutions: Chapters: 1, 2, and 3: Total 125 points
To be emailed by Midnight (11:59 pm), Monday, July 20th, 2015
True / False Questions (You can type T for True and F for False) (2 points each)
Chapters 1 and 2
1. The weight of a Ha
BA 302: Assignment 1-solutions: Chapters: 1, 2, and 3: Total 75 points
Due by Midnight (11:59 pm), Monday, September 16th, 2013: dropbox 1
True/False Questions carry 1 point each, Multiple Choices carry 2 points each
and the Essay type questions carry 6 p
BA 302: Assignment 2-Solution: Chapters: 5, 6, and 7: Total 75 points
Due by Midnight (11:59 pm), Monday, October 7th, 2013: Drop Box of Week 2
TRUE/FALSE (1 POINT EACH)
Chapter 5
1. Mutually exclusive events are also independent. False Occurrence of one
Chapter 7
Confidence Intervals
True/False
1. The t distribution always has n degrees of freedom.
Answer: False Difficulty: Easy
2. Assuming the same level of significance , as the sample size increases, the value of t/2
approaches the value of z/2.
Answer
CONFIRMING PAGES
Continuous
Probability
Distributions
C HAPTER
7
CHAPTER CONTENTS
7.1
Describing a Continuous Distribution
7.2
Uniform Continuous Distribution
7.3
Normal Distribution
7.4
Standard Normal Distribution
7.5
Normal Approximations
7.6
Exponenti
BA 302: Assignment 3-sol: Chaps: 8, and 9: Total 125 points including one
point for attempting all questions. Due by Midnight (11:59 pm), Monday,
August 3, 2015
True / False Questions (2 points each)
Chapter 8
1. The sampling distribution of
X
is not alwa
BA 302: Assignment 4-sol: Chapters: 10, and 13: Total 125 points including one point for
attempting all questions. Due by Midnight (11:59 pm), Monday, August 10th, 2015
True / False Questions (2 points each)
Chapter 10
1. The further the hypothesized mean
Distance
Frequency Relative Frequency cumulative frequency
1-8 miles
18
22.50%
22.50%
8-15 miles
30
37.50%
60.00%
15-22 miles
14
17.50%
77.50%
22-29 miles
10
12.50%
90.00%
29-36 miles
8
10.00%
100.00%
F
35
30
25
20
Histogram of Frequency
15
35
10
30
5
25
Final Exam: BA 302: Spring 2015 (Time 7 hours): Total 400 popints
True/False (6 points each)
1. The sampling distribution of a sample statistic is the probability distribution of the population of
all possible values of the sample statistic. (Ch8) TRUE
2.
BA 302: Assignment 4: Chapters: 10, and 13: Total 75 points
Due by Midnight (11:59 pm), Monday, May 4th 2015
True / False Questions (1 point each)
Chapter 10
1. The further the hypothesized mean is from the actual mean the lower is the power of the test.
Zoe Phipps
50105270
November 24, 015
BA 302: Assignment 4: Chapters: 10, and 13: Total 75 points
Due by Midnight (11:59 pm), Sunday, November 29th, 2015
True / False Questions (1 point each)
Chapter 10
1. The further the hypothesized mean is from the actu
Chapter-1 Instructions: Introduction & Definitions
By Dr. Kishor Guru-Gharana
Why Statistics? Like mathematics the tools of Statistics can be universally applied to any field
which involves numbers and values which depend on chance or have associated prob
Instructions for Chapter 3
Prepared by Dr. Guru-Gharana
Terminology and Conventions
Values related to Population are called Population parameters (which are generally not
known), and a value estimated from the observed sample is called a Sample Statistic.
1
Instructions for Chapter 5
prepared by Dr. Guru-Gharana
(Note that we are skipping Chapter 4 in this course. Moreover skip Principles of Counting
and Tree Diagrams in Chapter 5)
Experiments, Sample Space and Probability
An Experiment is a process that l
1
Instructions for Chapter 6-The Binomial distribution
by Dr. Kishor Guru-Gharana
(skip Hypergeometric and Poisson Distributions in the book)
Random Variable: Any variable whose numerical values depend on chance, or have
probabilities associated.
Example:
1
Instructions for Chapter 7: Continuous Probability Distributions
by Dr. Kishor Guru-Gharana
(skip Uniform distribution)
In this Chapter let us focus on Normal Distribution only, because it is the universally applied
Continuous Probability Distribution (
1
Instructions for Chapter 8:
Sampling Methods and Central Limit Theorem
by Dr. Guru-Gharana
Why Sample?
In any study our goal is always to learn about the population through knowledge of
its parameters such as its mean, variance, skewness, etc. If so, wh
Chapter 9 Instructions: Estimation and Confidence Intervals
by Dr. Guru-Gharana
Introduction
We have already discussed that the sample mean and the sample proportion p are
the estimators of the population mean and the population proportion . Any value
cal
BA 302: Assignment 4: Chapters: 10, and 13: Total 75 points
Due by Midnight (11:59 pm), Sunday, November 29th, 2015
True / False Questions (1 point each)
Chapter 10
1. The further the hypothesized mean is from the actual mean the lower is the power of the
FINAL EXAM REVIEW
You will have 40 questions with the majority being multiple choices. The information below is the
minimum needed for preparation for the exam. Please note the reviewing your quizzes (HW is applicable)
and notes is very important.
CONCEPT
Zoe Phipps 50105270
November 7, 2015
BA 302: Assignment 3: Chaps: 8, and 9: Total 75 points
Due by Midnight (11:59 pm), Sunday, November 8th, 2015
True / False Questions (1 point each)
Chapter 8
1. The sampling distribution of
X
(X-bar) is not always a no
Zoe Phipps
BA 302: Assignment-1: Chapters: 1, 2, and 3: Total 75 points
Turn in through dropbox 1 of ecollege by Midnight (11:59 pm), Sunday, Sept. 20th, 2015
True/False Questions carry 1 point each, Multiple Choices carry 2 points each and the
essay type
Dennis Pitalua
BA 302
Assignment 1
Pg. 13-14 #1,2,3
1. A. Interval Data
B. Ratio Data
C. Nominal- Level Data
D. Nominal- Level Data
E. Ordinal- Level Data
F. Ratio Data
2. A. Ratio Data
B. Nominal Data
C. Ratio Data
D. Ratio Data
3.
I went online to USATo