Module1
Question1
Whichquestionisbestansweredbyanexperiment?
A.
Isthereanassociationbetweenthenumberofhourscollegestudentsspend
eachweekonFacebookandtheircollegeGPA?
B.
Dothemajorityofcommunitycollegestudentsplantovoteinthenext
presidentialelection?
C.
Do
Midterm 1 Review: This review is based on both checkpoints in Mod 1 and the first checkpoint
in Mod 2. Work with your group to answer the following questions, and be sure to provide an
explanation of why you think your answer is correct. On the day of the
Exam Review AP Statistics
The exam will consist of 30 multiple choice questions and 4 free response questions. The free response questions will be similar to
the AP questions. The topics will be: Graphs/Numerical summaries of data (Ch 1); normal distribut
Exam 1 Units 1 and 2
Practice Problems
The next four questions refer to the following information:
The histogram below displays the distribution of 50 ages at death due to trauma
(accidents and homicides) that were observed in a certain hospital during a
Standard Normal Probabilities
Table entry
Table entry for z is the area under the standard normal curve
to the left of z.
z
z
.00
.01
.02
.03
.04
.05
.06
.07
.08
.09
3.4
3.3
3.2
3.1
3.0
2.9
2.8
2.7
2.6
2.5
2.4
2.3
2.2
2.1
2.0
1.9
1.8
1.7
1.6
1.5
1.4
1.3
1
Model 2
Examining Relationships
Section
Name
Covered
2.1
The RoleType Classification
Out of class
2.2
Case C Q
Out of class
2.3
Case C C
Out of class
2.4
Case Q Q: Scatterplots
In class
2.5
Case Q Q: Linear Relations
In class
2.6
Causation and Lurking Va
Introduction to Statistics
Winter 2014
Instructor: James Gray
Online content: www.wamap.org
Create a user name and password
Course ID: 1994
Enrollment Key: access
1
Module 1
Displaying Distributions with Graphs
Variables
Examining Distributions of Varia
Module 6
Probability
6.1 Random Variables
Canada has two official languages, English
and French. Choose a Canadian at random
and ask, What is your mother tongue?
Here is the distribution of responses,
combining many separate languages from
the broad Asia/
Introduction to Inference
Estimating with Confidence
Sigma known
Sigma unknown
1
Estimating with Confidence
Inference
Statistical Confidence
Confidence Intervals
Confidence Interval for a Population Mean
Choosing the Sample Size
2
Statistical Inferen
Statistics:
Median, Mode and Frequency
Distribution
Given a list of numbers,

The median is the middle value of a list. It is the smallest number such
that at least half the numbers in the list are no greater than it. If the list has
an odd number of ent
BIS 315C  Understanding Statistics
Spring Quarter, 2010
Interdisciplinary Arts and Sciences Program
University of Washington Bothell
Exam #1
Name: _
Date:
_
IMPORTANT NOTES:
If appropriate, it is acceptable to express your answer as a fraction or an equa
BIS315
FINAL EXAM
Monday, December 12, 2011
Name: _SOLUTIONS_
Show all work on the exam. I can provide additional sheets if you need more room.
You may have one 8 x 11 sheet of paper with notes, a calculator, and pen/pencil out.
Everything else should be
NORMAL
DISTRIBUTION
Imagine you are working with the
Seattle Times Newspaper .
Selling Advertising
Writing an article
Designing a new newspaper
section
Trying to increase circulation
You want to examine the ages of all
people who subscribe to the Seattle
Exam #2
Example/Preparation Problems
Problem #4
Example Problem #4: Use the following situation to answer the questions.
A manager of a store is interested in determining how wages determine the quality of job
performance. She randomly chooses 6 employees
Exam #2
Example/Preparation Problems
Problem #3
Similar to Example 1a, Page 218
Example Problem #3: Use the following situation to answer the questions.
The owner of an automotive repair store determined that the average time for a car repair is
2.0 hours
Exam #2
Example/Preparation Problems
Problem #2
Example Problem #2: Use the following situation to answer the questions.
A bank decides sends three advertising pamphlets to their customers over a period of a year. The first
promotes a credit card for the
Exam #2
Example/Preparation Problems
Example Problem #1: Answer the following questions:
1. If A and B are independent events where P(A)=0.4 and P(B)=0.5. What is P(AB)?
P(AB) = 0.2
2. If A and B are mutually exclusive events where P(A)=0.4 and P(B)=0.5.