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Theorists have suggested that there may be a link between childhood trauma and involvement in the criminal justice system. These theorists think that rehabilitation for youth involved in the criminal justice system would be more effective if it targeted individual traumas in addition to known criminal risk factors. A researcher that works at one of the institutions for youth decided to test this theory choosing n=30 youth who were incarcerated and administered a questionnaire assessing their history of traumatic events. The researcher knew that youth in the general population tend to score on average a µ = 5 (the s is not known) on the interval scale measuring trauma. The researcher is unsure whether this group of offenders will score higher or lower and after administering the scale found the mean to be M = 7 and with a variance of s2 = 4. Conduct all of the steps of hypothesis testing using an alpha = .05.
The Prohibitory Act of 1775 banned all trade with the thirteen colonies and this encourage more people to become involved in America's independence.
A nutritional software program called DietPower offers encouragement to its users when they sign in each day.
Assume that you have selected 10 students enrolled at your college and have collected data for these three variables:
Present hypotheses and evaluate them. What can the director conclude about the effect the new tax law on donations?
The Weschsler IQ test has a μ =100 and a σ = 15. A vitamin company said if people took vitamin X for 30 days their IQ would improve. A simple random sample of 49 people took the vitamins for 30 days. They then took the IQ test. The mean IQ of the ..
Define the Linear programming problem (LPP)
The researcher was interested in how well what he/she manipulated predicts how happy subjects feel at the end of the procedure. Using the data below, calculate the regression constants and present the equation for the regression line.
What is the probability that exactly two accidents will occur in a particular two-day interval? What is the probability that one will have to wait at least two days to observe the next two accidents.
What is the probability of a randomly selected student having devoted no more than 8 hours to studying for the exam? What is the probability of a randomly selected student having earned an A or a B on the exam, given they devoted no more than 8 hou..
a study of the attendance at the university of alabamas basketball games revealed that the distribution of attendance
Create a Key Performance Indicator that compares the actual profit to the budgeted profit month by month over the period - which market were sales the largest
Points scored in women's basketball games. Use the Internet to find the scores for the past season's women's basketball team at a college of your choice.
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