DISCUSSION 2.1(1.5 HOURS)
Title: Expected Results
Perform the following activity:
Flip a coin 10 times and record the number of times it lands on heads and the number of
times it lands on tails.
Then, flip a coin 20 times, recording the number of heads an
EXERCISE 1.1 (2.5 HOURS)
Assessment Preparation Checklist:
To prepare for this assessment:
Read Chapters 2 and 3 from the textbook, Elementary Statistics. These readings
discuss the descriptive statistics by examining some of the most commonly used
descri
Central Limit Theorem
Given:
1. The random variable x has a distribution (which may
or may not be normal) with mean and standard
deviation .
2. Simple random samples all of size n are selected
from the population. (The samples are selected so
that all pos
DISCUSSION 3.1 (2.0 HOURS)
Title: Confidence Intervals for One Population Mean
Read the case study Chips Ahoy! 1,000 Chips Challenge, Chapter 8, pp. 304305, from your
textbook, Elementary Statistics. Answer the following questions and conduct the analyses
Jadson Santos
Statistics MA3110
9/17/15
Exercise 1.1
Exercises 1.1: Understanding the Concepts and the Skills, Chapter 1, pp. 89, and complete
questions 1.1, 1.7, 1.14, and 1.17.
1.1
A. Population: the collection of all individuals or items under
MA3110
Jadson Santos
10/26/15
Exercise 4.2 Hypothesis Testing:
Solve the following problems:
1. Examine the given statement:
A. The proportion of people aged 1825 who currently use illicit drugs is equal to 0.20 (or 20%).
Express the
Jadson Santos
Statistics MA3110
9/17/15
Exercise 1.1
Exercises 1.1: Understanding the Concepts and the Skills, Chapter 1, pp. 89, and complete
questions 1.1, 1.7, 1.14, and 1.17.
1.1
A. Population: the collection of all individuals or items under consider
MA3110
Statistics
Quizzes and Exams
Statistics
ASSESSMENTS
Unit 2 Quiz 1
Scope:
Summarize the principles of statistical thinking as they apply to decision-making.
Analyze sample data in terms of type, level of measurement, context, source, and measures of
EXERCISE 2.2 (2.0 HOURS)
Assessment Preparation Checklist:
To prepare for this assessment:
Read Chapter 2 and 5 from your textbook, Elementary Statistics. These readings
examine data organization and the concept of probability.
Study the topics Accurate a
Jason Simpson
MA3110 Monday 6pm
Unit 3 Exercise 2
Sample Mean Distribution and T-Interval
Task 1: Read the following case study, titled Green M&Ms:
Green M&Ms: Consider a class of 20 statistics students, where each student is given 5 small
bags of M&Ms an
MA3110: Module 5 Chi Square and Anova Exercise 5.1 Inferences from Two Samples
This exercise has the following two tasks:
Task 1: Consider the three samples listed in the table:
A
B
C
1
0
3
3
6
12
5
2
6
5
3
2
Obtain the sample mean and the sample standard
Demetris Vance
MA3110: Statistics_V4.0
Exercise 4.1
Task 1: Solve the following problems:
A student of the author surveyed her friends and found that among 20 males, 4 smoke and
among 30 female friends, 6 smoke. Give two reasons why these results should n
Jadson Santos
Statistics
MA3110
9/25/15
MA3110: Module 2 Probability and Normal Distribution
Exercise 2.2 Data Representation and Binomial Probability Distribution
CBS
ABC
CBS
ABC
ABC
Fox
CBS
CBS
Fox
CBS
ABC
CBS
CBS
CBS
Fox
Fox
Fox
CBS
Fox
ABC
Create two
Module 4.1 Hypothesis Testing
MA3110
Jadson Santos
ITT Tech
Jadson Santos
MA3110
10/9/15
MA3110: Module 4 Hypothesis Testing
Exercise 4.1
Inferences from Two Proportions and Samples
Task 1: Solve the following problems:
_A student of the author surveyed
MA3110 QUIZ 3
1. Find the critical value z/2 corresponding to a 90% level.
A. 1.85
B. 1.645
C. 2.575
D. 1.96
2. Find the critical value z/2 corresponding to a 95% level.
A. 1.645
B. 1.96 Look above
C. 1.85
D. 2.575
3. In 2007 Americans spent an average of
MA3110
Statistics
Onsite
INSTRUCTOR GUIDE
Credit hours: 4.5
Contact/Instructional hours: 45 Theory
Prerequisites: EN1320 Composition I or equivalent
MA1210 College Mathematics I or equivalent
Statistics
Course Revision Table
Change Date
Updated Section
Ch
MA3110: Module 4 Hypothesis Testing
Exercise 4.2
Demetris Vance
1. Examine the given statement:
The proportion of people aged 1825 who currently use illicit drugs is equal to 0.20 (or
20%). Express the null hypothesis H0 and the alternative hypothesis H1
EXERCISE 3.2 (3.5 HOURS)
Assessment Preparation Checklist:
To prepare for this assessment:
Read Chapters 7 and 8 from your textbook, Elementary Statistics. These readings
examine concepts such as The Sampling Distribution of the Sampling Mean and
Confiden
Jason Simpson
MA3110 Monday 6pm
Unit 3 Discussion 1
Confidence Intervals for One Population Mean
Read the case study: The Chip Ahoy! 1,000 Chips Challenge, Chapter 8, p. 304-305, from your
textbook, Elementary Statistics. Answer the followng questions and
Jason Simpson
MA3110 Monday 6pm
Unit 1 Exercise 1
Central Tendency and Measures of Variation
Task 1:
Refer to the Exercises 1.1: Understanding the Concepts and the Skills, Chapter 1, pp. 89, and
complete questions 1.1, 1.7, 1.14, and 1.17.
1.1
Define the
Jadson Santos
Statistics
MA3110
9/25/15
MA3110: Module 2 Probability and Normal Distribution
Exercise 2.2 Data Representation and Binomial Probability Distribution
CBS
Fox
Jadson Santos
MA3110
09/30/15
Exercise 3.1
Construct a 95% confidence interval estimate of the mean salary of an NCAA football coach.
Mean of 415,953
Standard deviation of 463,364.
X=
n=40
X= 415953
J= 463364
= 0.05
/2 =0.025
Z 0.025 = 1.92
E=z or/z (j/n)
JadsonSantos
Statistics
MA3110
9/25/15
MA3110: Module 2 Probability and Normal Distribution
Exercise 2.1.
Solve the following problems:
In the table below, the random variable x represents the number of cups or cans
of caffeinated beverages consumed by
Jadson Santos
MA3110
09/30/15
Exercise 3.1
Construct a 95% confidence interval estimate of the mean salary of an NCAA football coach.
Mean of 415,953
Standard deviation of 463,364.
X=
n=40
X= 415953
J= 463364
= 0.05
/2 =0.025
Z 0.025 = 1.92
E=z or/z (j/n)
MA3110
Jadson Santos
11/10/15
MA3110: Module 5 Chi Square and Anova:
This exercise has the following two tasks:
Task 1: Consider the three samples listed in the table:
A
B
C
1
0
3
3
6
12
5
2
6
5
3
2
Obtain the sample mean and the sample standard deviation
Math 230 Hour Exam 1
October 23, 2015
General Directions. This is an open-book, open-notes, open-computer test. However, you
may not communicate with any person, except me, during the test. You have the full class
Darnard Winborn
Exercise 4.1
MA3110
Task 1:
A hypothesis test is used to determine whether there is enough evidence in a sample of data to infer
that a certain condition is true for an entire population.
I believe this is one reason this scenario will not