Chapter 20 - An Introduction to Decision Theory
Chapter 20
An Introduction to Decision Theory
True / False Questions
1. Statistical decision theory is defined as the collection of techniques a decision maker can
apply to choose the best alternative action
Chapter 19 - Statistical Process Control and Quality Management
Chapter 19
Statistical Process Control and Quality Management
True / False Questions
1. A fishbone diagram is used to determine if a process is out of control.
True False
2. One purpose of qu
Chapter 18 - Nonparametric Methods: Analysis of Ranked Data
Chapter 18
Nonparametric Methods: Analysis of Ranked Data
True / False Questions
1. We can apply non-parametric tests to problems involving interval or ratio data.
True False
2. We can apply para
Chapter 17 - Nonparametric Methods: Goodness-of-Fit Tests
Chapter 17
Nonparametric Methods: Goodness-of-Fit Tests
True / False Questions
1. Nonparametric tests require no assumptions about the shape of the population distribution.
True False
2. The claim
Chapter 16 - Time Series and Forecasting
Chapter 16
Time Series and Forecasting
True / False Questions
1. One component of a time series is cyclical variation. An example of cyclical variation is the
business cycle that consists of periods of prosperity f
Chapter 15 - Index Numbers
Chapter 15
Index Numbers
True / False Questions
1. An index number is a percent that measures the change in price, quantity, or value,
compared to a base period.
True False
2. An index of 239.2 represents a 239.2% change.
True F
Chapter 14 - Multiple Regression Analysis
Chapter 14
Multiple Regression Analysis
True / False Questions
1. Multiple regression analysis is used when one independent variable is used to predict
values of two or more dependent variables.
True False
2. If t
Chapter 13 - Correlation and Linear Regression
Chapter 13
Correlation and Linear Regression
True / False Questions
1. A scatter diagram is a graph that portrays the correlation between a dependent variable and
an independent variable.
True False
2. An eco
Chapter 12 - Analysis of Variance
Chapter 12
Analysis of Variance
True / False Questions
1. The F distribution's curve is positively skewed.
True False
2. One characteristic of the F distribution is that the computed F can only range between -1
and +1.
Tr
Chapter 11 - Two-Sample Tests of Hypothesis
Chapter 11
Two-Sample Tests of Hypothesis
True / False Questions
1. If the null hypothesis states that there is no difference between the mean income of males
and the mean income of females, then the test is one
Chapter 10 - One-Sample Tests of Hypothesis
Chapter 10
One-Sample Tests of Hypothesis
True / False Questions
1. An example of a hypothesis is: a person is innocent until proven guilty.
True False
2. Hypothesis testing is a procedure that uses sample evide
Chapter 09 - Estimation and Confidence Intervals
Chapter 09
Estimation and Confidence Intervals
True / False Questions
1. A point estimate is a single value used to estimate a population parameter.
True False
2. A point estimate is a range of values used
Chapter 08 - Sampling Methods and the Central Limit Theorem
Chapter 08
Sampling Methods and the Central Limit Theorem
True / False Questions
1. Sampling a population is often necessary because the cost of studying all the items in the
population is prohib
Chapter 07 - Continuous Probability Distributions
Chapter 07
Continuous Probability Distributions
True / False Questions
1. For any uniform probability distribution, the mean and standard deviation can be computed
by knowing the maximum and minimum values
Chapter 06 - Discrete Probability Distributions
Chapter 06
Discrete Probability Distributions
True / False Questions
1. A random variable represents the outcomes of an experiment.
True False
2. The probability of a particular outcome must always be betwee
Chapter 05 - A Survey of Probability Concepts
Chapter 05
A Survey of Probability Concepts
True / False Questions
1. The probability of rolling a 3 or 2 on a single die is an example of conditional probability.
True False
2. The probability of rolling a 3
Chapter 04 - Describing Data: Displaying and Exploring Data
Chapter 04
Describing Data: Displaying and Exploring Data
True / False Questions
1. A dot plot is an easy way to represent the relationship between two variables.
True False
2. A dot plot is usef
Chapter 03 - Describing Data: Numerical Measures
Chapter 03
Describing Data: Numerical Measures
True / False Questions
1. A value that is typical or representative of the data is referred to as a measure of central
location.
True False
2. The arithmetic m
Chapter 02 - Describing Data: Frequency Tables, Frequency Distributions, and Graphic Presentation
Chapter 02
Describing Data: Frequency Tables, Frequency Distributions, and Graphic
Presentation
True / False Questions
1. A frequency distribution groups dat
Chapter 01 - What Is Statistics?
Chapter 01
What Is Statistics?
True / False Questions
1. A population is a collection of all individuals, objects, or measurements of interest.
True False
2. Statistics are used as a basis for making decisions.
True False