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STS 2610 Test 2B
Spring 17
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Keep your work and answers covered. For each question, choose the best answer.
Use the modified boxplot below to answer the next 4 questions.
1. The low

STS 2610 Test IB StatCrunch
Spring 17
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1. Open the data Political Affiliation Samples from the StatCrunch shared data folder. Answer the following
questions for State 2.
a. Which pol

STS 2610 Test 2B StatCrunch
Spring 17
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You are to use only StatCrunch to do the calculations. Your calculator should be removed from your desk.
1. A random variable X follows a norma

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STS 2610: Quantitative Methods
Spring 2017
Organizing and Displaying Categorical Data
Open the datafile FB and T from the shared folder of StatCrunch data sets.
1. In which region does Friendly Band and Trust make most of its loans?
2. What percentage o

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STS 2610: Quantitative Methods
Spring 2017
Inference for the Population Proportion
p
proportion of successes in population
proportion of successes in sample
Sampling Distribution of p
If a large simple random sample is selected from a population having

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STS 2610: Quantitative Methods
Spring 2017
Introduction to Control Charts
A process is a value-added transformation of inputs into outputs.
A process can involve machines, people, measurements, and the environment. Each of these is a source of
variation

ECON 1110 Intermediate Macroeconomics
Problem Set 3
Autumn 2014
1. Within the classical model, analyse the effects of an increase in the marginal income tax
rate. Explain how output, unemployment, and the price level are affected. Consider the
case when t

Campus Disability Policies
Greensburg
If you have a disability for which you are or may be requesting an accommodation, you are encouraged to
contact both your instructor and the Director of Learning Resources Center, Dr. Lou Ann Sears, 240
Millstein Libr

STS 2610-03 Quantitative Methods
Spring 2013
Instructor: Mrs. Patricia OConnor
Office: 110 Congdon Hall
Phone: 841-9403
E-mail: [email protected]
Office Hours: MW 9:15 10:45
TTH 2:00 3:00
or email me to set up an appointment for another time!
Require

STS 2610: Quantitative Methods
Fall 2013
Lab #2: Frequency Tables and Graphs for Quantitative Data
Data from a survey of 1214 customers of AJ Fitness Centers is available in the Content area of
the course Blackboard site. If you did not save the data from

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STS 2610: Quantitative Methods
Spring 2017
Simple Linear Regression: Modeling the Relationship between Two Quantitative Variables
The Underlying Population Regression Model and Its Parameters
Suppose that the graph below is a scatterplot of (x,y) values

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STS 2610: Quantitative Methods
Spring 2017
Inference for the Difference between the Means of Two Populations
A common problem in statistical applications is the comparison of the means of two populations. In the
following example we wish to determine wh

STS 2610 Final Exam New Problems Problem Set
Spring 17
1
Treat this list of topics and any practice problems as additional review, not as a complete representation of the questions
you will see on the exam. You are responsible for all material covered in

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STS 2610: Quantitative Methods
Spring 2017
Organizing and Displaying Numerical Data
Open the datafile Beer Large
Lets focus on the variable Calories. We wish to create a table that summarizes the distribution of the various
numbers of calories in the di

STS 2610: Quantitative Methods
Spring 2017
Correlation
Correlation measure strength and direction of a linear relationship between two quantitative variables
Scale
Scatterplot of Age and Cholesterol (Shared)
Calculate r using StatCrunch: Stat < Summary St

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STS 2610: Quantitative Methods
Spring 2017
Describing Data Numerically: The Interquartile Range and Boxplots
By definition the median falls in the middle of the ordered data. Therefore it divides the data into halves.
At least 50% of the measurements in

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STS 2610: Quantitative Methods
Spring 2017
Hypothesis Testing II
We have already discussed one of the two possible types of errors that can made when a hypothesis test is
performed.
Type I Error
We also saw that the researcher controls the likelihood o

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STS 2610: Quantitative Methods
Spring 2017
Hypothesis Testing
Statistical hypothesis
Hypothesis test
Null hypothesis (H0)
Alternative hypothesis (H1)
Example:
The 2010 Dietary guidelines recommend that the average American not exceed 2300 milligrams

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STS 2610 Test 3B Chapters 8, 9, and 10
Spring 17
I will abide by the University Honor Code on this test.
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Keep your work and answers covered. For each question, choose the best answer.
1. The pulse rates for 10 adult women were as follo

STS 2610 Test IB, Fall16
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Keep your work and answers covered. For each question, choose the best answer.
1. Given the following variables, which one(s) is/are categorical?
I. househo

STS 2610: Quantitative Methods
Final Exam New Topics
Spring 2017
Chapter 8: Estimating
use Statcrunch to give a point estimate along with an error margin for the point estimate
use StatCrunch to give a confidence interval
interpret the meaning of the con

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STS 2610: Quantitative Methods
Spring 2017
Lecture: Bivariate Data / Measures of Center and Variation
Bivariate Data: Two numerical variables X and Y measured for each individual
If we think that one variable depends on the other, label the dependent va

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STS 2610: Quantitative Methods
Spring 2017
Probability: Continuous Random Variables
We have spent a lot of time over the past 4 weeks talking about how to describe the distribution of the values of
a variable over a random sample of individuals.
We have

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STS 2610 Quantitative Methods
Spring 2017
Sampling Distribution of the Sample Mean
The management at Burger World wants to estimate , the average service time for all drive-thru customers at its High
will be used to estimate
Point location. They take a

STS 2610 Test 3B StatCrunch
Spring 17
I will abide by the University Honor Code on this test.
Print Name_
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You are to use only StatCrunch to do the calculations. Your calculator should be removed from your desk.
1. Plant Production Weights in StatCru