Solution Library


Hypothesis Testing Of GPA Of College Students

Question The average GPA among all college students is estimated to be 2.60. There is reason to believe that students who binge drink have lower GPAs than students that don’t. In a sample of 121 Rutgers-Newark college students identified by their peers as problem drinkers, you find that the m ... Read More

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Hypothesis Testing For Reduced Absenteeism Among Students

Question A prior study of high school students in New Jersey found that among all students, the mean number of days absent during the school year was 4.7. In 2000, the school decided to implement an absentee program in order to reduce the number of student absences. Afterward, school officials rand ... Read More

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Hypothesis Testing Of Youth Spending More Time With Friends

Question A common finding in criminology is that youths who spend a lot of free time in the company of their friends and in the absence of adult supervision are more likely to smoke cigarettes, drink alcohol, and use marijuana. Researchers estimate that the average youth uses these substances at a ... Read More

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Hypothesis Testing Of City Type And Violent Crime Rates

Question The following contingency table provides a joint distribution of city type and violent crime rate. Conduct a Chi-Square test of independence to determine whether city type influences violent crime rates. Use an of .05. Be sure to include all five steps of your hypothesis test. Vio ... Read More

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Hypothesis Testing On Military Service Influencing Drug Use

Question The following contingency table provides a joint distribution of military service and drug use. Conduct a Chi-Square test of independence to determine whether military service influences drug use. Use an of 0.01 and be sure to show all five steps of your hypothesis test. After this, comput ... Read More

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Hypothesis Testing On Gender And Its Influence On Grades

Question The following contingency table provides a joint distribution of gender and grades in school. Conduct a Chi-Square test of independence to determine whether gender influences grades. Use an of .01 and be sure to show all five steps of your hypothesis test. Grades Male &n ... Read More

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Hypothesis Testing On Greater Attached To Friends And Employee Theft

Question You are interested in investigating whether greater attachment to one’s friends reduces employee theft. You draw a random sample of 10 people with high attachment to their friends, and a second random sample of 8 people with low attachment to their friends. You obtain the following d ... Read More

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Hypothesis Testing On Intense Probation Supervision And Success On Probation

Question Does intensity of probation supervision influence success on probation? To answer this question, you take a random sample of 50 probationers on intensive probation, and a second independent random sample of 75 probationers on regular probation. For the intensive probation sample, the mean ... Read More

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Hypothesis Testing On Youths Going On Dates Committing Delinquent Acts

Question You are interested in investigating whether youths that frequently go out on dates commit a different number of delinquent acts than youths that rarely go out on dates. You draw a random sample of 10 youths that frequently go out on dates, and a second random sample of 8 youths that infreq ... Read More

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Hypothesis Testing On Arrest On Domestic Violence Deters Subsequent Incidents

Question You are interested in examining whether arrest for domestic violence deters subsequent incidents. You draw a sample of 7 male abusers who have been arrested for a recent domestic violence incident. By way of a police record search, you determine the number of complaints to the police made ... Read More

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Hypothesis Testing On Arrest On Relation Between Family Structure And Delinquent Behavior

Question You are interested in investigating whether family structure is associated with delinquent behavior. You gather data from a sample of 24 middle-school youths, asking them what parent figure(s) they live with at home, as well as the number of times that they have engaged in delinquency. Use ... Read More

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Calculate Mean, Standard Deviation, Variance And Range With SPSS

Question Understanding and Exploring Assumptions You will submit one Word document, including your SPSS output. Why do we care whether the assumptions required for statistical tests are met? Open the data set that you corrected in Activity #1 for DownloadFestival.sav. You will use the followin ... Read More

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