Solutions for Ten Lessons in Introductory Sociology
Problem 1SE:
Tests a. In Chapter 8, you learned some tests of proportions. Are tests of proportions used for...Problem 2SE:
In Chapter 9, you learned some tests of means. Are tests of means used for numerical or categorical...Problem 3SE:
Crime and Gender A statistics student conducted a study in Ventura County, California, that looked...Problem 4SE:
Red Cars and Stop Signs The table shows the raw data for the results of a student survey of 22 cars...Problem 5SE:
The table summarizes the outcomes of a study that students carried out to determine whether...Problem 6SE:
Finger Length There is a theory that relative finger length depends on testosterone level. The table...Problem 9SE:
Effects of Television Violence on Men (Example 1) A study done by Husemann et al. and published in...Problem 11SE:
Mummies with Heart Disease According to the website MedicalNewsToday.com, coronary artery disease...Problem 13SE:
Violins Stradivarius violins, made in the 1700s by a man of the same name, are worth millions of...Problem 14SE:
Coin Flips You flip a coin 100 times and get 58 heads and 42 tails. Calculate the chi-square...Problem 19SE:
Are Humans Like Random Number Generators? (Example 3) One of the authors collected data from a class...Problem 20SE:
Is the Random Number Table Really Random? We counted ones, twos, threes, fours, and fives from a few...Problem 21SE:
Coin Spins A penny was spun on a hard, flat surface 50 times, and the result was 15 heads and 35...Problem 23SE:
Is the Six-Sided Die Fair? The table shows the results of rolling a six-sided die 120 times. Test...Problem 24SE:
Is the Six-Sided Die Fair? Repeat the chi-square test (all four steps) from exercise 10.23, but this...Problem 25SE:
Violins Professional musicians listened to five violins being played, without seeing the...Problem 26SE:
Mummies with Heart Disease Exercise 10.11 on artery disease in mummies indicated that 9 out of 16...Problem 27SE:
Party and Right Direction (Example 4) Suppose a polling organization asks a random sample of people...Problem 28SE:
Antibiotic or Placebo A large number of surgery patients get infections after surgery, which can...Problem 32SE:
Unemployment Rates U.S. Unemployment rates for all residents 20 years old and older are given in the...Problem 34SE:
Weight Loss Overweight or obese adults from psychiatric programs were recruited and randomly...Problem 37SE:
Gender and Happiness of Marriage The table shows the results of a two-way table of gender and...Problem 38SE:
Is Smiling Independent of Age? Randomly chosen people were observed for about 10 seconds in several...Problem 39SE:
Preschool Attendance and High School Graduation Rates (Example 7) The Perry Preschool Project was...Problem 40SE:
Preschool Attendance and High School Graduation Rates for Females The Perry Preschool Project data...Problem 41SE:
Preschool Attendance and High School Graduation Rates for Males The Perry Preschool Project data...Problem 44SE:
Antiretrovirals to Prevent HIV A study conducted in Uganda and Kenya looked at heterosexual couples...Problem 45SE:
Confederates and Compliance A study was done to see whether participants would ignore a sign that...Problem 46SE:
Endocarditis Kang et al. reported on a randomized trial of early surgery for patients with infective...Problem 50SE:
Night Shifts A random sample of nurses working night shifts were asked whether they were fatigued...Problem 51SE:
Gender and Political Party Affiliation The data in the table are from a General Social Survey and...Problem 52SE:
Children and Happiness The data in the table come from a General Social Survey. The top row is the...Problem 54SE:
Nice Rats Rats had a choice of freeing another rat or eating chocolate by themselves. Most of the...Problem 55SE:
Young Criminals and Violence A statistics student performed a study on male and female criminals 15...Problem 56SE:
Egg Allergy in Children In a randomized, placebo-controlled, double-blind study. 55 children (5 to...Problem 57CRE:
Suppose you have a random sample of students attending a public university in Nevada and want to...Problem 58CRE:
In exercises 10.57 to 10.64, choose an appropriate test from those listed below. Unless otherwise...Problem 59CRE:
Suppose you take a survey of random students at a college, asking them whether they commute or...Problem 62CRE:
In exercises 10.57 to 10.64, choose an appropriate test from those listed below. Unless otherwise...Problem 64CRE:
In exercises 10.57 to 10.64, choose an appropriate test from those listed below. Unless otherwise...Problem 65CRE:
Perry Preschool Arrests The Perry Preschool Project discussed in exercises 10.39 to 10.41 found that...Problem 66CRE:
Parental Training and Criminal Behavior of Children In Montreal, Canada, an experiment was done with...Problem 71CRE:
Robot Cockroaches Cockroaches tend to rest in groups and prefer dark areas. In a study by Halloy et...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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