Introductory Statistics
3rd Edition
ISBN: 9780135188927
Author: Gould, Robert, Ryan, Colleen N. (colleen Nooter)
Publisher: Pearson,
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Textbook Question
Chapter 1, Problem 12SE
Age of Marriage A student did a survey on the age of marriage for married male and female students.
a. Is the format of the data set stacked or unstacked?
b. If you answered “stacked” then unstack the data into two columns. If you answered “unstacked” then stack the data into one column; choose an appropriate name for the stacked variable and use coding.
c. There are two variables here: Gender and Age. Which of them is numerical, and which is categorical?
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The data were collected from a statistics class. The column head gives the variable, and each of the rows represents a student in the class. Find the frequency, proportion, and percentage of right-handed people.
Click the icon to view the data table.
Stats class data
Height
(inches)
Weight
(pounds)
150
Collge Units
This Term
Number of
Male
Age
Eye Color Shoe Size
Handedness
The frequency of right-handed people in the class is
siblings
(Type a whole number.)
29
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7
61
3
10
Left
30
12.5
72
185
Right
Right
Left
1
Blue
4
The proportion of right-handed people in the class is
1
19
Blue
9.5
60
180
14
(Type an integer or a fraction.)
30
Hazel
6
60
180
13
125
Right
Left
1
19
Hazel
12
70
7
The percentage of right-handed people in the class is
%.
1
21
Hazel
9
62
135
4
9.
Right
Right
Right
(Type an integer or decimal rounded to one decimal place as needed.)
1
32
Blue
11
72
150
2
15
1
21
Blue
12.5
63
185
7
12
20
Hazel
8
68
120
1
11
1
24
Blue
12.5
60
190
8
Left
1
21
Hazel
9
61
145
2
13
Left…
The data were collected from a statistics class. The column head gives the variable, and each of the rows represents a student in the class. Find the frequency, proportion, and percentage of women.
Click the icon to view the data table.
Stats class data
The frequency of women in the class is
(Type an integer or a decimal.)
Shoe Height Weight
Size (inches)(pounds) of Siblings
Number College Units
Eye
Color
The proportion of women in the class is
Male
Age
Handedness
This Term
(Type an integer or a fraction.)
31
Hazel
7.5
65
130
4
12
Right
The percentage of women in the class is %.
32
Blue
10.5
69
140
1
9.
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30
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Right
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150
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67
125
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7
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Blue
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64
135
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Blue
7.5
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Right
Print
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Only part B solutions needed
Chapter 1 Solutions
Introductory Statistics
Ch. 1 - The data in Table 1A were collected from one of...Ch. 1 - The data in Table 1A were collected from one of...Ch. 1 - The data in Table 1A were collected from one of...Ch. 1 - The data in Table 1A were collected from one of...Ch. 1 - The data in Table 1A were collected from one of...Ch. 1 - The data in Table 1A were collected from one of...Ch. 1 - The data in Table 1A were collected from one of...Ch. 1 - Coding Suppose you decided to code living...Ch. 1 - The data in Table 1A were collected from one of...Ch. 1 - Coding Students who have accumulated fewer than 30...
Ch. 1 - Facebook Wall Posts (Example 2) A student shared...Ch. 1 - Age of Marriage A student did a survey on the age...Ch. 1 - Snacks Emmanuel, a student at a Los Angeles high...Ch. 1 - Movies A sample of students were questioned to...Ch. 1 - Use the data in Table 1A to answer questions 1.15...Ch. 1 - Use the data in Table 1A to answer questions 1.15...Ch. 1 - Use the data in Table 1A to answer questions 1.15...Ch. 1 - Use the data in Table 1A to answer questions 1.15...Ch. 1 - Investigating Data (Example 4) A data set on Shark...Ch. 1 - Investigating Data Suppose a surfer wanted to...Ch. 1 - Hands (Example 5) A survey was done of men’s and...Ch. 1 - Hands-Biased A survey was done of men’s and...Ch. 1 - Finding and Using Percentages a. A statistics...Ch. 1 - Finding and Using Percentages a. A hospital...Ch. 1 - Women Find the frequency, proportion, and...Ch. 1 - Brown-Haired People Find the frequency,...Ch. 1 - Two-Way Table from Data Make a two-way table from...Ch. 1 - Two-Way Table from Data Make a two-way table from...Ch. 1 - Occupation Growth (Example 6) The 2017 World...Ch. 1 - Chocolate Sales The 2017 World Almanac and Book of...Ch. 1 - Incarceration Rates (Example 7) The table gives...Ch. 1 - Population Density The accompanying table gives...Ch. 1 - Health Insurance The accompanying table gives the...Ch. 1 - Cable TV Subscriptions The accompanying table...Ch. 1 - Percentage of Elderly The projected U.S....Ch. 1 - Marriage and Divorce The marriage and divorce...Ch. 1 - Course Enrollment Rates Two sections of statistics...Ch. 1 - Prob. 38SECh. 1 - For Exercises 1.39 through 1.44, indicate whether...Ch. 1 - For Exercises 1.39 through 1.44, indicate whether...Ch. 1 - For Exercises 1.39 through 1.44, indicate whether...Ch. 1 - For Exercises 1.39 through 1.44, indicate whether...Ch. 1 - For Exercises 1.39 through 1.44, indicate whether...Ch. 1 - For Exercises 1.39 through 1.44, indicate whether...Ch. 1 - Vitamin C and Cancer The blog NHS Choices...Ch. 1 - Aloe Vera You can find many testimonials on the...Ch. 1 - Effects of Tutoring on Math Grades (Example 8) A...Ch. 1 - Treating Depression A doctor who believes strongly...Ch. 1 - Try Exercise and Language Learning (Example 9) In...Ch. 1 - Pneumonia Vaccine for Young Children A study...Ch. 1 - Does Fish Oil Lower Asthma Risk? The New England...Ch. 1 - Association between Glycemic Load and Acne? An...Ch. 1 - Milk and Cartilage (Example 10) Cartilage is a...Ch. 1 - Autism and MMR Vaccine An article by Wakefield et...Ch. 1 - Prob. 55SECh. 1 - Effect of Confederates on Compliance A study was...Ch. 1 - A Salad a Day Keeps Stroke Away? The Harvard Heart...Ch. 1 - Does Drinking Sugary Beverages Lead to Dementia?...Ch. 1 - Secondhand Smoke Exposure and Young Children...Ch. 1 - Prob. 60CRECh. 1 - Speeding Tickets College students who were drivers...Ch. 1 - Prob. 62CRECh. 1 - Writing: Vitamin D Describe the design of a...Ch. 1 - Writing: Strokes People who have had strokes are...Ch. 1 - Yoga and High-Risk Adolescents Can mindful yoga...Ch. 1 - Neurofeedback and ADHD Some studies have indicated...Ch. 1 - Virtual Reality and Fall Risk A study was...Ch. 1 - Ear Infections Babies 6 to 23 months of age with...Ch. 1 - Effects of Light Exposure A study carried out by...Ch. 1 - Scared Straight The idea of sending delinquents to...
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