STAT 2610
Exam 2 review
Spring 2010
1. If the null hypothesis is false it is impossible to commit a Type I error. True or false?
a. True
b. False
Use the following information to answer the next two questions
The level of calcium in the blood of healthy y
Name:_ Lab time _Section:_
STAT 2610
Exam 1
Version 1
Fall 2004
Bubble in the version of the exam you are doing in the space provided on your
scantron sheet. In answering the questions select the best alternative.
Use the following information to answer t
Question 1
2.5 out of 2.5 points
The
collection of
all elements
of interest
in a
particular
study is
Question 2
2.5 out of 2.5 points
Which of
the
following
variables
use
the ordinal
scale of
measureme
nt?
Question 3
2.5 out of 2.5 points
Which data
woul
Final Exam Practice Problems
The following data set consists of data gathered from 77 popular breakfast cereals. The variables
in the data set are as follows:
Brand: The brand name of the cereal
Calories: The number of calories per serving
Protein: The nu
STAT 2610
Final Exam Version 1
Name: _
Fall 2003
Friday Lab Time: _
Bubble in the version of the exam you are doing in the space provided on your scantron sheet. In answering
the questions, select the best alternative. The exam contains 30 questions; each
STAT 2610
Lecture 1
1/12/05
Learning Objectives:
1. Understand the fundamental idea behind statistics
2. Understand the difference between a population and a
sample
3. Understand the basic difference between statistical inference
and descriptive statistic
STAT 2610
Lecture 20
4/13/05
Objectives:
1. Understand how to conduct a hypothesis test for comparing
two population means with independent samples.
2. You should be able to recognize when to conduct this test.
3. You should be able to draw valid conclusi
STAT 2610
Lecture 25
5/2/05
Final Exam is Tuesday, May 10 from 11 a.m.-1:30 p.m. in room
125 (your normal classroom). Formula sheet and review
problems are posted on the course website
Final Case Analysis
We have a data set based on several aspects of 199
DATA VISUALLY AND THROUGH NUMBERS
1
Data File 2
Chapter Three (Show all your work)
1) A teacher asked each of her students how many novels they had read in the previous six
months. The results are shown below.
0
2
1
7
0
1
7
2
1
2
5
2
6
4
1
4
5
0
2
1
2
0
2
Final Exam Practice Problem Answers
The following data set consists of data gathered from 77 popular breakfast cereals. The variables
in the data set are as follows:
Brand: The brand name of the cereal
Calories: The number of calories per serving
Protein:
Final Exam Formula Sheet
(This is a copy for you to use in studying. Do not bring it to use during the exam.
We will give you a clean copy for the exam.)
Sample Variance
s
2
(x x )
=
2
n 1
=
Sample Standard Deviation
( x)
n 1
2
x
or t =
n
x
s
n
x z*
Hyp
STAT 2610
Exam 3 Version 1
Name _
Fall 2004
Friday Lab Time _
Bubble in the version of the exam you are doing in the space provided on your scantron sheet. In
answering the questions, select the best alternative. The exam contains 19 questions; each with
Name:_ Lab time _Section:_
STAT 2610
Exam 2
Version 1
Fall 2004
Bubble in the version of the exam you are doing in the space provided on your scantron
sheet. In answering the questions select the best alternative.
According to a survey, subscribers to The
Exam 3 Practice Problems
Here are a few problems from the material covered for Exam 2 to help build your skills. These
are not intended to constitute all possible ways to construct problems relating to your exam
material or to cover all of the material wh
Exam 3 Practice Problem Solutions
1.
The number of phone calls your business receives daily has a mean of 20.3 with a
known standard deviation of 4.3. A random sample of 100 days is taken and the
sample mean is calculated. What is the probability of obtai
Exam 2 Practice Problems
Here are a few problems from the material covered for Exam 2 to help build your skills. These are not
intended to constitute all possible ways to construct problems relating to your exam material or to cover
all of the material wh
Exam 2 Practice Problem Solutions
1.
a. 0.8592
b. 0.8592 = 0.9269
c. The intercept term is $172,551. This implies that the predicted price of a home with 0 square
feet is $172,551. Clearly this is an extrapolation because we have no homes in our sample
th
Exam 1 Practice Problems
Here are a few problems to help build your skills for the exam. These are NOT intended to
constitute all possible ways to construct problems relating to your exam material. You need
to study your lectures slides, notes, textbook,
Exam 1 Practice Problem Solutions
1.
(a) s = 4.10 inches; s2 = (4.10)2 = 16.82 inches.
(b) Using the quartiles in the five-number summary, Q1 represents the 25th percentile. So,
approximately 25% of the students from the survey was below 66 inches.
(c) Be
VARIABLES AND DISTRIBUTIONS
1
Date File 1
Chapter One
1) Determine whether the evaluated group is a population or a sample
a)
Based on a randomly selected group of 500 patients with high cholesterol,
it was found that 67% have heart disease. Is this a pop
Module 7 Final Exam
1. Describe the characteristics of a critical incident.
a. A critical incident is any event that has a powerful and damaging impact on a person. These
events are sudden and disruptive, unexpected, they disrupt the officers beliefs and
1
The data for week seven has us looking at twelve different variables. These variables
include: Student wants conscientiousness in lecturers, student wants agreeableness in lecturers,
student wants openness in lecturers, student wants extroversion in lec
Data File 5
Chapter Nine
1) A skeptical paranormal researcher claims that the proportion of Americans that have seen a
UFO is less than 1 in every one thousand. State the null hypothesis and the alternative
hypothesis for a test of significance.
Solution:
1
Part A. Dependent t-test
1. Exploratory Data Analysis/Hypotheses.
a. Perform exploratory data analysis on CreativityPre and CreativityPost. Using
SPSS, calculate the mean and standard deviation of these two variables.
Creativity pre-test
Creativity post
CORRELATION, PREDICATION, CONFIDENCE, AND ERRORS
1
Chapter Seven
Problem 1) Look at the scatter plot below. Does it demonstrate a positive or negative
correlation? Why? Are there any outliers? What are they?
Solution: The explanatory variable is on the ho
1
When growing up all we hear our parents say is that we need to study hard and make
good scores on tests. Teachers, parents, and colleges place a huge emphasis on SAT scores and
school. When kids are asked about school you will always have those that say
A poll of 700 persons attending the Taste of Chicago showed that 455 persons, 65% of the
sample, believed that the food was overpriced. It is estimated that 1,250,000 persons attend
this event. Statistics suggest that, although 65% plus or minus 5% of at
1
1.
Why do we care whether the assumptions required for statistical tests are met? (You
might also want to write your answer on a note card you paste to your computer.)
1. When we look at statistics we have assumptions that have to be met in order for
th
1
1.
Briefly describe your area of research interest (1-3 sentences is sufficient). (not
graded but required).
The topic that interests me is the issue of individuals being obese and their
personal habits (eating, exercise, etc.).
2.
List 4 variables that
1
1.
Considering your area of research interest, briefly state your area and a possible research
project related to the area (150-500 words)
When thinking about my interest in research the area that I think is interesting is how
much of a tip if any custo
1.
Using the data set: DownloadFestival.sav, create a boxplot for males and females for the
variable Day1. It is important that you change the outlier identified to 2.02 prior to creating the
boxplot. Be sure to save the data set with a new name, indicati
Running head: FO619 FINAL
1
1. Describe what is necessary to implement the statutory requirements affecting special
needs inmates.
2. Describe the history of the use of the Battered Women Syndrome.
Battered Women Syndrome (BWS) is typically used in crimin
1
Week 4 Written Assignment
Prepare an Annotated Outline
2
MILITARY SEXUAL TRAUMA
I. Introduction to the issue of military sexual trauma
A. Prevalence of military sexual trauma (MST)
1. Definition of military sexual trauma Burgess, Slattery, & Herlihy (20
Running Head: HOMOSEXUALITY IN LAW ENFORCEMENT
Module 6: Written Assignment
Homosexuality in Law Enforcement
1
HOMOSEXUALITY IN LAW ENFORCEMENT
2
As a society we have many cultures and religions along with sexual preferences. We deal
with diversity and co
1
1. Discuss the types of assistance available for minorities.
a. A: When it comes to assistance available for minorities there are a few. They can
seek counseling if needed. Providing an equal opportunity work place is always a
good thing. One thing that