Math 350 Lab Chapter 7 Hypothesis Testing
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Objectives of This Activity
Use SPSS to test hypotheses about the population mean.
1. Open the data set babyBoomData.sav.
2. Test the hypothesis the the mean body weight of all babies is dierent tha
7.2 THE LANGUAGE OF STATISTICAL DECISION MAKING
DEFINITIONS:
Thepopulation istheentiregroupofobjectsorindividualsunderstudy,about
whichinformationisdesired.
Asampleisapartofthepopulationthatisactuallyusedtogetinformation.
Statistical inference is the pro
Math 350 Test 1 Chapters 2 & 4
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Grade
Calculators are allowed on this test.neighbors are not !
(where appropriate) to 4 places after the decimal.
Round answers
of 100
1
A study was conducted to demonstrate that soy beans inoculated with nitro
Math 350 Quiz Chapter 12 ANOVA
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Calculators are allowed on this quiz.neighbors are not ! Show work for credit.
1
A clinical psychologist wished to compare three methods for reducing hostility levels in university students.
A certain test (HLT
Math 350 Quiz Chapter 11 Regression
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Calculators are allowed on this quiz.neighbors are not ! Show work for credit.
1
The data below are given for 9 patients with aplastic anemia. Doctors are interested in predicting the number
of lymphocytes
Math 350 Quiz Chapter 10 Chi-Square Hypothesis Testing Printed Name:
Calculators are allowed on this quiz.neighbors are not ! Show work for credit.
1
The manager at a local coee shop wants to learn about the distribution of the type of coee ordered. The
m
Math 350 Quiz Chapter 8 Two Sample Inference
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Calculators are allowed on this quiz.neighbors are not ! Show work for credit.
1
10 pts
The numbers of calories contained in cup servings
of randomly selected avors of ice cream from two
national
Math 350 Test 2 Chapters 7 & 10
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Grade
Calculators are allowed on this test.neighbors are not !
(where appropriate) to 4 places after the decimal.
Round answers
of 100
1
A soil scientist is interested in studying the pH level in the soil for
Independent Samples: Comparing Means
Two Independent Random Samples
Take a simple random
sample of size n1
Population 1
Take a simple random
sample of size n2
Population 2
Population 1 mean = 1
Population 2 mean = 2
Population 1 standard dviation = 1
Popu
Testing the Difference between Two Variances
Characteristics of the F Distribution
Inadditiontocomparingtwomeans,statisticiansareinterestedin
comparingtwovariancesorstandarddeviations.Forexample,isthe
variationinthetemperaturesforacertainmonthfortwocities
Paired Samples versus Independent Samples
Paired Design 1
With paired data, we are interested
in comparing the responses within
each pair. We will analyze the
differences of the responses that
form each pair.
Paired Data: Response = Annual Salary (in $100
TARLETON STATE UNIVERSITY
Chapter 8Homework
Problems:
Emmert.S
[Pick the date]
1) A doctor is interested in determining whether a film about exercise will change 10
persons attitudes about exercise. The results of his questionnaire are shown. A higher
num
Chapter 5: Continuous Probability Distribution
Chapter 5: Continuous Probability Distribution
Keith E. Emmert
Department of Mathematics
Tarleton State University
June 16, 2011
Chapter 5: Continuous Probability Distribution
Outline
1
Why Do We Need to Know
Chapter 4: Discrete Random Variables and the Binomial Distribution
Chapter 4: Discrete Random Variables and the
Binomial Distribution
Keith E. Emmert
Department of Mathematics
Tarleton State University
June 16, 2011
Chapter 4: Discrete Random Variables an
Chapter 2: Statistical Measures
Chapter 2: Statistical Measures
Keith E. Emmert
Department of Mathematics
Tarleton State University
June 7, 2011
Chapter 2: Statistical Measures
Outline
1
Parameters and Statistics
2
Central Tendency of a Data Set
3
Variati
One Way ANOVA
NAME: _
Chapter 12
Comparing Many Treatments
1.
Analysis of Variance gets its name from the fact that it is a statistical technique for
assessing whether the variances of several groups or populations are equal.
(a)
True
(b)
False
2.
One ass
Math 350 Quiz Chapter 7 Hypothesis Testing
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Calculators are allowed on this quiz.neighbors are not ! Show work for credit.
1
Patients with glaucoma, an eye disease that is manifested by high intraocular pressure (IOP) and can cause
blindness,
Math 350 Lab Chapter 12 ANOVA
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Objectives of This Activity
Use SPSS to perform One-Way ANOVA.
Mathematica reports the following types of natural disasters in the world:
Avalanche, Drought, Dust Storm, Earthquake, Flood, Landslide, Land Subsi
Math 350 Lab Chapter 11 Linear Regression
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Objectives of This Activity
Use SPSS to create a scatter-plot of the relationship between two variables.
Use SPSS to test the signicance of the linearity of the relationship. (i.e. signicance of th
Math 350 Lab Chapter 10 2
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Objectives of This Activity
Use SPSS non-parametric procedure to perform Goodness of t test.
Use SPSS Cross-tab procedure to perform test of independence.
1. A report on dental patients with temporomandibular (jaw
Math 350 Lab Chapter 8 Two-Sample Inference
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Objectives of This Activity
Use SPSS to perform Two-Sample Inference.
Problem 1 One method for assessing the bioavailability of a drug is to note its concentration in blood and/or urine samples
at
Math 350 Lab Chapter 5 Continuous Distributions
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Checking Normality of a Distribution
A Normal distribution is a statistical distribution in which data are represented graphically by a symmetrical bell-shaped
curve, with the highest frequency
Math 350 Lab Chapter 2 Descriptive Statistics
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Lab Objectives
Learn to create and save an SPSS data le.
Learn to open an existing SPSS data le.
Learn to analyze data using SPSS Frequency procedures.
Learn to create a box-plot using SPSS G