15 questions, 1 point each, 15 points total.
Multiple-choice: Choose the one best answer.
Use the following information to answer questions 14.
A large manufacturing company reported the following sta
Suppose that the amount of time of an MU student spent studying last week
averaged 20 hours with a standard deviation of 6 hours. Let ! represent the
average amount of time spent studying last week fo
n order to estimate the average price of a single-family home in a certain market,
a realtor selected a sample and used it to create a confidence interval for the
population mean. The resulting interv
Of fans who attended a college football game this past weekend, 60% are male,
10% are students, 8% are male and are students, 90% rooted for the home
team, and 25% are season ticket holders. You may a
Chapter 14
10/31/2014
Relative Frequency Probability Assessment: probability an event
happens is proportion of time that it happens over long run
Must be repeatable and independent
Personal Probabili
Solutions to Chapter 23 Workbook Problems
(Solutions are provided for those Chapter 23 problems that were assigned as part of the suggested homework. Other
Chapter 23 workbook problems were worked dur
SOLUTIONS TO WORKBOOK EXAMPLES FOR RECITATION #1
Chapter 1 Examples
WB1-1. Define the following terms:
(a) Population The collection of all units (items, subjects, people) that are potentially of
inte
5.3
*Two events E & F are independent if the occurrence of
one event does not affect the probability of the other
P(E^c) = 1 P(E)
P(A or B)= P(A ) + P(B) - P(A&B) -can always use
If E & F are independ
3.1 Measures of Central Tendency
Mean: Average
Median: Middle value when data is ordered
Mode: Most frequently occurring data
Resistant
*Mean is not resistant to extreme values (outliers)
calculator (
Statistics: The science of collecting, organizing, summarizing,
and analyzing information to draw conclusions or answer
questions.
-Providing a measure of confidence in any conclusions
Statistic: data
Yordy Garrido Martin 1
In chapter 8, I learned a lot about nutrition and global health. Two concepts
that caught my attention the most are nutritional needs throughout the life course
and nutritional
Thursday Lecture
09/12/2014
Representative Sample
Small but reliable
Simple Random Sample: a sample collected in such a way that every
conceivable group of units of the correct size has an equal chan