Elementary Statistics: A Step By Step Approach
9th Edition
ISBN: 9780073534985
Author: Allan Bluman
Publisher: McGraw-Hill Science/Engineering/Math
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Textbook Question
Chapter 1, Problem 1.2.24RE
classify each variable as qualitative or quantitative.
24. Capacity of the NFL football stadiums.
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Students have asked these similar questions
Which one of the following is an example of a qualitative variable?
a.
The number of teachers working in UTAS-Nizwa
b.
The number of pages in a notebook
c.
The profit earned by a company in month
d.
The ambience of a 5 star hotel
Determine each variable's type - quantitative (discrete or continuous) or categorical. This will help determine which graphical display to use. See the extra sheet in the Excel file.
Create a histogram with one of the quantitative variables. You decide the appropriate number of bins. Copy and paste to a Word/pdf document.
Comment on the histogram's center, variability, shape, and any unusual values.
Create a pie chart or bar chart with one of the categorical variables. Copy and paste to your Word/pdf document.
Comment on what you see in the pie/bar chart.
Create another visualization of your choice. Comment on the variable and visualization you selected and what relationships, patterns, or insights you found.
Determine whether the underlined numerical value is a parameter or a
statistic. Explain your reasoning.
Two students out of all 29 students in a class have red hair.
Choose the correct answer below.
O A. Parameter, because the data set of all 29 students is a sample.
B. Statistic, because the data set of all 29 students is a sample.
C. Parameter, because the data set of 2 students is a sample.
D. Statistic, because the data set of 2 students is a sample.
E. Parameter, because the data set of 2 students is a population.
O F. Statistic, because the data set of 2 students is a population.
G. Statistic, because the data set of all 29 students is a population.
O H. Parameter, because the data set of all 29 students is a population.
Chapter 1 Solutions
Elementary Statistics: A Step By Step Approach
Ch. 1.1 - Read the following on attendance and grades, and...Ch. 1.1 - Define statistics.Ch. 1.1 - What is a variable?Ch. 1.1 - What is meant by a census?Ch. 1.1 - How does a population differ from a sample?Ch. 1.1 - Explain the difference between descriptive and...Ch. 1.1 - Name three areas where probability is used.Ch. 1.1 - Why is information obtained from samples used more...Ch. 1.1 - What is meant by a biased sample?Ch. 1.1 - determine whether descriptive or inferential...
Ch. 1.1 - determine whether descriptive or inferential...Ch. 1.1 - Prob. 11ECh. 1.1 - determine whether descriptive or inferential...Ch. 1.1 - Prob. 13ECh. 1.1 - Prob. 14ECh. 1.1 - Prob. 15ECh. 1.1 - Prob. 16ECh. 1.1 - determine whether descriptive or inferential...Ch. 1.2 - Applying the Concepts 1-2 Fatal Transportation...Ch. 1.2 - Explain the difference between qualitative...Ch. 1.2 - Prob. 2ECh. 1.2 - Why are continuous variables rounded when they are...Ch. 1.2 - Name and define the four types of measurement...Ch. 1.2 - Prob. 5ECh. 1.2 - determine whether the data are qualitative or...Ch. 1.2 - determine whether the data are qualitative or...Ch. 1.2 - Prob. 8ECh. 1.2 - Prob. 9ECh. 1.2 - determine whether the data are qualitative or...Ch. 1.2 - Prob. 11ECh. 1.2 - determine whether the data are discrete or...Ch. 1.2 - Prob. 13ECh. 1.2 - Prob. 14ECh. 1.2 - determine whether the data are discrete or...Ch. 1.2 - determine whether the data are discrete or...Ch. 1.2 - Prob. 17ECh. 1.2 - give the boundaries of each value. 18. 6.3...Ch. 1.2 - give the boundaries of each value. 19. 143 milesCh. 1.2 - Prob. 20ECh. 1.2 - Prob. 21ECh. 1.2 - give the boundaries of each value. 22. 19 quartsCh. 1.2 - classify each as nominal-level, ordinal-level,...Ch. 1.2 - Prob. 24ECh. 1.2 - Prob. 25ECh. 1.2 - classify each as nominal-level, ordinal-level,...Ch. 1.2 - Prob. 27ECh. 1.2 - classify each as nominal-level, ordinal-level,...Ch. 1.2 - Prob. 29ECh. 1.2 - Prob. 30ECh. 1.3 - Applying the Concepts 13 American Culture and Drug...Ch. 1.3 - Name five ways that data can be collected.Ch. 1.3 - What is meant by sampling error and nonsampling...Ch. 1.3 - Why are random numbers used in sampling, and how...Ch. 1.3 - Name and define the four basic sampling methods.Ch. 1.3 - Prob. 5ECh. 1.3 - Prob. 6ECh. 1.3 - Prob. 7ECh. 1.3 - For Exercises 510, define a population that may...Ch. 1.3 - For Exercises 510, define a population that may...Ch. 1.3 - For Exercises 5-10, define a population that may...Ch. 1.3 - indentify the sampling method that was used. 11....Ch. 1.3 - indentify the sampling method that was used. 12....Ch. 1.3 - indentify the sampling method that was used. 13....Ch. 1.3 - indentify the sampling method that was used. 14....Ch. 1.3 - Prob. 15ECh. 1.3 - indentify the sampling method that was used. 16....Ch. 1.4 - Prob. 1ACCh. 1.4 - Explain the difference between an observational...Ch. 1.4 - Prob. 2ECh. 1.4 - List some advantages and disadvantages of an...Ch. 1.4 - List some advantages and disadvantages of an...Ch. 1.4 - What is the difference between an experimental...Ch. 1.4 - What is the difference between independent...Ch. 1.4 - Why are a treatment group and a control group used...Ch. 1.4 - Explain the Hawthorne effect.Ch. 1.4 - What is a confounding variable?Ch. 1.4 - Define the placebo effect in a statistical study.Ch. 1.4 - Prob. 11ECh. 1.4 - Why do researchers use randomization in...Ch. 1.4 - Prob. 13ECh. 1.4 - Prob. 14ECh. 1.4 - Prob. 15ECh. 1.4 - Prob. 16ECh. 1.4 - Prob. 17ECh. 1.4 - Prob. 18ECh. 1.4 - identify the independent variable and the...Ch. 1.4 - identify the independent variable and the...Ch. 1.4 - Prob. 21ECh. 1.4 - Prob. 22ECh. 1.4 - Prob. 23ECh. 1.4 - Prob. 24ECh. 1.4 - Prob. 25ECh. 1.4 - suggest some confounding variables that the...Ch. 1.4 - For Exercises 2731, give a reason why the...Ch. 1.4 - Here is the whole truth about back pain.Ch. 1.4 - For Exercises 2731, give a reason why the...Ch. 1.4 - give a reason why the statement made might be...Ch. 1.4 - Prob. 31ECh. 1.4 - List the steps you should perform when conducting...Ch. 1.4 - Prob. 33ECh. 1.4 - Comment on the following statement, taken from a...Ch. 1.4 - In an ad for women, the following statement was...Ch. 1.4 - Prob. 36ECh. 1.4 - Prob. 37ECh. 1.4 - An ad for an exercise product stated: Using this...Ch. 1.4 - Prob. 39ECh. 1.4 - Just l capsule of Brand X can provide 24 hours of...Ch. 1.4 - Male children born to women who smoke during...Ch. 1.4 - Caffeine and Health In the 1980s, a study linked...Ch. 1 - state whether descriptive or inferential...Ch. 1 - Prob. 1.1.2RECh. 1 - state whether descriptive or inferential...Ch. 1 - state whether descriptive or inferential...Ch. 1 - state whether descriptive or inferential...Ch. 1 - state whether descriptive or inferential...Ch. 1 - Prob. 1.1.7RECh. 1 - state whether descriptive or inferential...Ch. 1 - classify each as nominal-level, ordinal-level,...Ch. 1 - Classify each as nominal-level, ordinal-level,...Ch. 1 - Prob. 1.2.11RECh. 1 - classify each as nominal-level, ordinal-level,...Ch. 1 - classify each as nominal-level, ordinal-level,...Ch. 1 - Prob. 1.2.14RECh. 1 - classify each as nominal-level, ordinal-level,...Ch. 1 - classify each as nominal-level, ordinal-level,...Ch. 1 - Prob. 1.2.17RECh. 1 - classify each as nominal-level, ordinal-level,...Ch. 1 - classify each variable as qualitative or...Ch. 1 - Prob. 1.2.20RECh. 1 - classify each variable as qualitative or...Ch. 1 - classify each variable as qualitative or...Ch. 1 - Prob. 1.2.23RECh. 1 - classify each variable as qualitative or...Ch. 1 - classify each variable as qualitative or...Ch. 1 - Prob. 1.2.26RECh. 1 - Prob. 1.2.27RECh. 1 - classify each variable as discrete or continuous....Ch. 1 - classify each variable as discrete or continuous....Ch. 1 - Prob. 1.2.30RECh. 1 - classify each variable as discrete or continuous....Ch. 1 - classify each variable as discrete or continuous....Ch. 1 - Prob. 1.2.33RECh. 1 - classify each variable as discrete or continuous....Ch. 1 - Prob. 1.2.35RECh. 1 - give the boundaries of each value. 36. 105.4...Ch. 1 - give the boundaries of each value. 37. 72.6 tons.Ch. 1 - Prob. 1.2.38RECh. 1 - classify each sample as random, systematic,...Ch. 1 - Prob. 1.3.40RECh. 1 - Prob. 1.3.41RECh. 1 - classify each sample as random, systematic,...Ch. 1 - classify each sample as random, systematic,...Ch. 1 - classify each sample as random, systematic,...Ch. 1 - identify each study as being either observational...Ch. 1 - identify each study as being either observational...Ch. 1 - Prob. 1.4.47RECh. 1 - Prob. 1.4.48RECh. 1 - Prob. 1.4.49RECh. 1 - identify the independent and dependent variables...Ch. 1 - identify the independent and dependent variables...Ch. 1 - Prob. 1.4.52RECh. 1 - explain why the claims of these studies might be...Ch. 1 - Prob. 1.4.54RECh. 1 - Prob. 1.4.55RECh. 1 - For Exercises 5358, explain why the claims of...Ch. 1 - explain why the claims of these studies might be...Ch. 1 - explain why the claims of these studies might be...Ch. 1 - Determine whether each statement is true or false....Ch. 1 - Determine whether each statement is true or false....Ch. 1 - Prob. 3CQCh. 1 - Prob. 4CQCh. 1 - Prob. 5CQCh. 1 - The height of basketball players is considered a...Ch. 1 - Prob. 7CQCh. 1 - Prob. 8CQCh. 1 - Select the best answer. 9. What are the boundaries...Ch. 1 - Select the best answer. 10. A researcher divided...Ch. 1 - Prob. 11CQCh. 1 - Select the best answer. 12. A study that involves...Ch. 1 - Prob. 13CQCh. 1 - Two major branches of statistics are _____ and...Ch. 1 - Prob. 15CQCh. 1 - The group of all subjects under study is called...Ch. 1 - A group of subjects selected from the group of all...Ch. 1 - Three reasons why samples are used in statistics:...Ch. 1 - The four basic sampling methods are a. ______ b....Ch. 1 - Prob. 20CQCh. 1 - Prob. 21CQCh. 1 - For each statement, decide whether descriptive or...Ch. 1 - Classify each as nominal-level, ordinal-level,...Ch. 1 - Classify each variable as discrete or continuous....Ch. 1 - Give the boundaries of each. a. 32 minutes b. 0.48...Ch. 1 - Prob. 1CTCCh. 1 - Prob. 2CTCCh. 1 - Prob. 3CTCCh. 1 - Prob. 4CTCCh. 1 - Prob. 5CTCCh. 1 - Prob. 6CTC
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