Statistical Methods
Textbook Exam Questions
Course Introduction
This course provides a comprehensive introduction to the fundamental concepts and techniques of statistical analysis. Topics include descriptive statistics, probability theory, random variables, sampling distributions, estimation, hypothesis testing, correlation, regression, and analysis of variance. Through lectures and hands-on problem-solving, students learn to collect, summarize, and interpret data, as well as to apply statistical methods in real-world scenarios. Emphasis is placed on critical thinking, the use of statistical software, and the development of skills necessary for analyzing and making decisions based on data.
Recommended Textbook
Introductory Statistics A Problem Solving Approach 2nd Edition by Stephen Kokoska
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3 Chapters
88 Verified Questions
88 Flashcards
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Chapter 1: Why Study Statistics
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9 Verified Questions
9 Flashcards
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Sample Questions
Q1) The four technology tools presented in this text are the TI-84 Plus C calculator,Excel 2013,Minitab,and
A) SPSS.
B) CrunchIt.
C) JMP.
D) R.
Answer: B
Q2) When we are questioning a rare occurrence or claim and determine the experimental outcome is rare or extraordinary we:
A) disregard the lucky alternative and think something is wrong.
B) do not doubt the original claim
C) decide there is no evidence to suggest the claim is false.
D) test again.
Answer: A
Q3) The first step in the process of questioning a rare occurrence is:
A) claim.
B) experiment.
C) likelihood.
D) conclusion.
Answer: A
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Chapter 2: An Introduction to Statistics
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53 Verified Questions
53 Flashcards
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Sample Questions
Q1) A professor wishes to record information on some of his students for later use.He arrives to class early and samples the first five students that enter the room.Is this a simple random sample of size 5?
A) yes
B) no
C) It depends on the information the professor seeks from the students.
D) More information is needed to answer the question.
Answer: B
Q2) To evaluate the objectivity of a certain professor's grading,20 classes that she previously taught are randomly selected for auditing.The proportion of male students that pass in each class is compared to the proportion of female students for each selected class.The sample in this study is:
A) the comparison of male and female passing rates for the classes.
B) the proportion of all males that passed and the proportion of all females that passed.
C) the 20 selected classes.
D) a single selected class.
Answer: C
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Chapter 3: Tables and Graphs for Summarizing Data
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26 Verified Questions
26 Flashcards
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Sample Questions
Q1) Concerning univariate data,a _____ or _____ data set consists of observations that are numbers.
A) categorical;qualitative
B) categorical;quantitative
C) numerical;quantitative
D) numerical;qualitative
Answer: C
Q2) In order to assure prompt service,the city metro routinely records wait times at its various bus stops.The length of time a customer must wait for a bus is recorded in seconds.What type of data are these?
A) qualitative
B) discrete
C) continuous
D) multivariate
Answer: C
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