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. Stati
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 q
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
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
measure
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 cerea
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
Calor
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
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
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
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 Anal
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 St
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
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
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 t
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
samp
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 t
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
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. Yo
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 t
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 sho
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,
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 disrupt
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 o
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 alter
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 t
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 ar
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
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
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 ha
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