Ten Lessons in Introductory Sociology2nd EditionKenneth A. Gould; Tammy L. Lewis Publisher: Oxford University Press Academic USISBN: 9780190663872
Ten Lessons in Introductory Sociology
Solutions for Ten Lessons in Introductory Sociology
Problem 1SE:
Parameter vs. Statistic (Example 1) Explain the difference between a parameter and a statistic.Problem 2SE:
Sample vs. Census Explain the difference between a simple and a census. Every 10 years, the U.S....Problem 3SE:
x vs. Two symbols are used for the mean: and x. a. Which represents a parameter, and which a...Problem 4SE:
xvs. The mean GPA of all 5000 students at Uneeda College is 2.78. A sample of 50 GPAs from this...Problem 5SE:
Ages of Presidents Suppose you knew the age at inauguration of all the past U.S. presidents. Could...Problem 6SE:
Heights of Basketball Team Suppose you find all the of the height of the members of the men's...Problem 7SE:
Sample vs. Census You are receiving a large shipment of batteries and want to test their lifetimes....Problem 8SE:
Sampling GPAs Suppose you want to estimate the mean grade point average (GPA) of all students at...Problem 9SE:
Sampling with and without Replacement Explain the difference between sampling with replacement and...Problem 10SE:
Simple Random Sampling Is simple random sampling usually done with or without replacement?Problem 11SE:
Finding a Random Sample (Example 5) You need to select a simple random sample of four from eight...Problem 12SE:
Finding a Random Sample You need to select a simple random sample of two from six friends who will...Problem 13SE:
Random Sampling Assume your class has 30 students and you want a random sample of 10 of them....Problem 14SE:
Random Sampling with Coins Assume your class has 30 students and you want a random sample of 10 of...Problem 15SE:
Questionnaire Response (Example 3) A teacher at a community college sent out questionnaires to...Problem 16SE:
Survey on Social Security A phone survey asked whether Social Security should be continued or...Problem 17SE:
Views on Capital Punishment In carrying out a study of views on capital punishment, a student asked...Problem 18SE:
Views on Capital Punishment Use the data given in Exercise 7.23. Make the two given tables into one...Problem 19SE:
Targets: Bias or Lack of Precision? a. If a rifleman’s gunsight is adjusted incorrectly, he might...Problem 20SE:
Targets: Bias or Lack of Precision, Again a. If a rifleman’s gunsight is adjusted correctly, but he...Problem 21SE:
Bias? Suppose that, when taking a random sample of three students’ GPAs, you get a sample mean of...Problem 22SE:
Unbiased Sample? Suppose you attend a school that offers both traditional courses and online...Problem 23SE:
Proportion of Odd Digits A large collection of one-digit random numbers should have about 50 odd and...Problem 24SE:
Proportion of Odd Digits 1,3,5,7,and9areoddand0,2,4,6,and8 are even. Consider a 30-digit line from a...Problem 27SE:
ESP A Zener deck of cards has cards that show one of five different shapes with equal...Problem 28SE:
ESP Again In the graphs for Exercise 7.33, explain how you can tell from the shape of the graph...Problem 29SE:
Standard Error Which of the dotplots given in Exercise 7.33 has the largest standard error, and...Problem 30SE:
Bias? Assuming that the true proportion of success for the trials shown in the graph for Exercise...Problem 31SE:
Fair Coin? One of the graphs shows the proportion of heads from flipping a fair coin 10 times,...Problem 33SE:
What Is the Proportion of Seniors? (Example 5) A population of college students is taking an...Problem 34SE:
Simulation From a very large (essentially infinite) population, of which half are men and half are...Problem 35SE:
MMs (Example 5) Return to Exercise 7.25 and find the approximate probability that the random sample...Problem 36SE:
Random Letters Return to Exercise 7.26 and find the approximate probability that the random sample...Problem 37SE:
Jury Selection (Example 6) Juries should have the same racial distribution as the surrounding...Problem 38SE:
Mercury in Freshwater Fish According to an article from Huffington Post.com, some experts believe...Problem 39SE:
The Oregon Bar Exam (Example 7) According to the Oregon Bar Association, approximately 65 of the...Problem 40SE:
Feeding Vegans A survey of eating habits showed that approximately 4 of people in Portland, Oregon,...Problem 41SE:
Overweight Children The Ventura County Star (June 20, 2012) reported on a study of children in...Problem 42SE:
Living in Poverty The Ventura County Star article mentioned in Exercise 7.41 also reported that 25...Problem 43SE:
Passing a Test by Guessing A true/false test has 40 questions. A passing grade is 60 or more correct...Problem 44SE:
Gender: Randomly Chosen? A large community college district has 1000 teachers, of whom 50 are men...Problem 46SE:
Is Marriage Becoming Obsolete? When asked whether marriage is becoming obsolete, 782 out of 2004...Problem 47SE:
East Germany According to a Gallup Poll taken in East Germany, when adults were asked whether they...Problem 48SE:
View of Immigration In June 2012, a Gallup Poll asked U.S adults whether immigration was a good...Problem 49SE:
Voting A random sample of likely voters showed that 55 planned to vote for Candidate X, with a...Problem 50SE:
Voting A random sample of likely voters showed that 49 planned to support Measure X. The margin of...Problem 51SE:
High School Diplomas (Example 8) In a simple random sample of 1500 young Americans, 87 had earned a...Problem 52SE:
Diabetes In a simple random sample of 1200 Americans age 20 and over, the proportion with diabetes...Problem 53SE:
Confidence in Public Schools A 2012 Gallup Poll reported that only 581 out of a total of 2004 U.S....Problem 54SE:
Confidence in the Military In June 2012, a Gallup Poll reported that 1503 out of a total of 2004...Problem 55SE:
Thriving In June 2012, a Gallup Poll showed that when a sample of Americans were asked whether they...Problem 56SE:
Benefits of Rich Class In May 2012, a Gallup Poll showed that 63 of randomly surveyed U.S. adults...Problem 57SE:
Understanding the Meaning of Confidence Levels: 90 (Example 9) Each student in a class of 40 was...Problem 58SE:
Understanding the Meaning of Confidence Levels: 80 Each student in a class of 30 was assigned one...Problem 59SE:
Past Presidential Vote In the 1960 presidential election, 34,226,731 people voted for Kennedy,...Problem 60SE:
Human Cloning In a Gallup Poll, 441 of 507 adults said it was "morally wrong" to clone humans. a....Problem 61SE:
Do People Think Astrology Is Scientific? (Example 10) In the 2012 General Social Survey, people were...Problem 62SE:
Do People Think the Sun Goes around the Earth? In the 2012 General Social Survey, people were asked...Problem 63SE:
Good News on Jobs The Pew Research Center reports on a survey taken in late 2013 in which they asked...Problem 64SE:
Obesity In a 2013 Pew Poll, 36#37; of Republicans and 28#37; of Democrats agreed with the statement...Problem 65SE:
Stressed Moms (Example 11, 12, 13, and 14) An April 2012 Gallup Poll of low-income showed that 54 of...Problem 66SE:
Gay Marriage According to the Pew Research Center, 47 of respondents to a poll in April 2012...Problem 67SE:
Perry Preschool and Graduation from High School The Perry Preschool Project was created in the early...Problem 68SE:
Preschool: Just the Boys Refer to Exercise 7.77 for information. This data set records results just...Problem 69SE:
Antibiotics for Malnutrition (Example 15) A study was done of children from Malawi (in southeastern...Problem 70SE:
Transfusions for Bleeding in the Stomach Should patients who are bleeding from the stomach get...Problem 71SE:
Gender and Use of Turn Signals Statistics student Hector Porath wanted to find out whether gender...Problem 72SE:
Diet Drug (Meridia) A randomized, placebo-controlled study of a diet drug (Meridia) was done on...Problem 73SE:
Drug for Nausea Ondansetron (Zofran) is a drug used by some pregnant women for nausea. There was...Problem 74SE:
Preschool: Just the Girls The Perry Preschool Project was created in the early 1960s by David...Problem 75CRE:
Banning Super-Size Sugary Drinks A June 2012 Rasmussen Poll showed that 65 of its randomly selected...Problem 76CRE:
Banning Smoking A July 2011 Roper Poll showed that 59 of its randomly selected U.S. adults would...Problem 77CRE:
Sample Proportion A poll on a proposition showed that we are 95 confident that the population...Problem 78CRE:
Sample Proportion A poll on a proposition showed that we are 99 confident that the population...Problem 79CRE:
Margin of Error A poll on a proposition showed that we are 95 confident that the population...Problem 80CRE:
Margin of Error A poll on a proposition showed that we are 99 confident that the population...Problem 83CRE:
Dreaming in Color According to studies done in the 1940s, 29 of people dream in color. Assuming this...Problem 84CRE:
Hand Washing Ignaz Semmelweiss (1818-1865) was the doctor who first encouraged other doctors to wash...Problem 85CRE:
Romney vs. Santorum During the Republican primary elections of 2012, Rasmussen Polls estimated that...Problem 86CRE:
Sampling Error In March 2012, President Obama's approval ratings were the highest they had been in...Problem 87CRE:
Young Women's Career Goals Are the career goals of young women changing? A Pew Poll asked young...Problem 88CRE:
Young Men's Career Goals Are the career goals of young men changing? A Pew Poll asked young men...Problem 89CRE:
Voters Poll: Sample Size A polling agency wants to determine the sample size required to get a...Problem 90CRE:
Ratio of Sample Sizes Find the sample size required for a margin of error of 3 percentage points,...Problem 91CRE:
Criticize the Sampling Marco is interested in whether Proposition P will be passed in the next...Problem 92CRE:
Criticize the Sampling Maria opposes capital punishment and wants to find out if a majority of...Problem 93CRE:
Random Sampling? If you walked around your school campus and asked people you met how many keys they...Problem 94CRE:
Biased Sample? You want to find the mean weight of the students at your college. You calculate the...Browse All Chapters of This Textbook
Chapter 1 - Introduction To DataChapter 2 - Picturing Variation With GraphsChapter 3 - Numerical Summaries Of Center And VariationChapter 4 - Regression Analysis: Exploring Associations Between VariablesChapter 5 - Modeling Variation With ProbabilityChapter 6 - Modeling Random Events: The Normal And Binomial ModelsChapter 7 - Survey Sampling And InferenceChapter 8 - Hypothesis Testing For Population ProportionsChapter 9 - Inferring Population MeansChapter 10 - Associations Between Categorical Variables
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