Questions:
Work each question, using Excel where appropriate. Remember, each gestation period is its own normal distribution. Thus, you will need to change the "mean" and "standard deviation" to reflect the question you are answering. 2. What percent of t
Study Guide Introduction to Statistics
SHORT ANSWER. Write the word or phrase that best completes each statement or answars the question.
Solve the problem.
1) Explain the difference between a sample and a population.
2) Which is used more often, a sample
Week, TCOs, and Topics
Week 1
TCOs 1, 2, 3
Introduction to Statistics;
Data Collection and Data
Concepts
Week 2
TCOs 9,10
Readings and Class Preparation
Activities and Assignments
Chapter 1: Introduction to Statistics
Homework - MyStatLab
Chapter 2: Descr
Math 221 Quiz Review for Weeks 5 and 6 1. 2. Find the area under the standard normal curve between z = 1.6 and z = 2.6. A business wants to estimate the true mean annual income of its customers. It randomly samples 220 of its customers. The mean annual in
Math 221 Quiz Review for Weeks 3 and 4 1. 2. State whether the variable is discrete or continuous. The # of keys on each student's key chain. Decide whether the experiment is a binomial experiment. Explain why by citing the properties of binomial experime
Math 221 - Statistics Practice Quiz Week 2 This quiz review covers materials from Weeks 1 and 2. Your quiz will be in Week 3 located in the Quiz Tab. Your quiz will mostly comprise of multiple choice, true/false, and essay questions. The answers are at th
Week 1: Chapter 2, 1st Part
Descriptive Statistics:
Visual and Numerical
Descriptions
Descriptive Statistics:
Visual and Numerical Descriptions
In this chapter, well examine the visual techniques used to organize
and summarize information. The goal of the
Week1:Chapter1
Collecting, Organizing and
Presenting Data
Collecting, Organizing and Presenting Data
s
s
s
s
s
s
s
s
Theabilitytounderstandandapplythedecisionmakingtoolsusedinabusiness
environmentcanbeatremendousbenefitformeetingthedynamicchallengesofwork
Math 221 Week 1 is now open. What should I do first?
I STRONGLY recommend you do the following to get started in Math 221.
1) Read the Announcements. Every time you sign into the course check to see if there are any new
Announcements. If there are new Ann
Math 221
Week 4 Lab Submitted by: Gradford, Theodore
Part 1. Cross-Reference Tables and Probability
1. What is the probability that the cereal would be high calorie? In other words, what is P(high calorie)? P(high calorie) = 53/84=0.6310 2. What is the pr
Math 221
Week 6 Lab
* Example Format *
Submitted by: (Insert Name Here *REMOVE THIS NOTE PRIOR TO SUBMITTING*) (Note: Your labs should be well organized, with results clearly identified and in the proper order. When answering questions, be sure to use com
Math 221
Week 6 Lab Submitted by: (Insert Name)
* Example Format *
Part 1. Normal Distributions and Birth Weights in America
1(a) 37 to 39 weeks as mean is around 7.33 lb. 1(b) 40 weeks as mean is around 7.72 lb. 1(c) 28 to 31 weeks as mean is 4.07 lb. 2(
Level of measurement practice
1. Identify the level of measurement for data that are the numbers of the shirts of a girl's soccer
team.
The level of measurement is nominal because they are used to put them into order only.
2. Identify the level of measure