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CHAPTER 2: LEVELS OF MEASUREMENT AND AGGREGATIONPRACTICE PROBLEMSIf I measured the age, IQ, and number of prior delinquent acts committed within a sample of 200 boys sent to juvenile court: Would age be a variable or a constant? Would IQ be a variable or a constant?Would sex (gender) be a variable or a constant?If I was interested in knowing whether or not boys who had low IQ scores were more delinquent than boys with higher IQ scores, what would be my independent variable and what would be my dependent variable?If I was interested in knowing if older boys were more likely to be delinquent than younger boys, what would be my independent variable and what would be my dependent variable?What is the level of measurement for the following variables:Age measured as the number of years old someone is.Age measured as: under 10 years old or younger10-29 years old30-59 years old60 years old or olderWhether someone went to a public, private or parochial elementary school.Number of prior convictions measured as the actual number of convictions.Number of prior convictions measured as: None1-2 convictions3-4 convictions5-6 convictions7 or more convictionsNumber of months sentenced to prison in actual months.Type of weapon used in committing a murder: gun, knife, club or other blunt instrument, hands, some other means.Calculate the rate of hate crimes for the following cities:# of Hate CrimesPopulationRate per 100,000Boston, MA2346,453,442Columbus, OH112 1,132,475Montgomery, AL100425,185Los Angeles, CA1988,453,809Chicago, IL2029,535,000New York, NY255 10,435,333In which city are you most likely to become the victim of a hate crime? In which city are you least likely to become the victim of a hate crime?Here is a frequency distribution of the number of executions in several U.S. states in the past five years.State# of executionsp%Alabama 6Virginia13Texas52Maryland 1Louisiana 8Oklahoma24TotalCalculate the total number of executions in these states, and fill in the column of proportions and percentages. What percent of the total number of executions were done in Texas?What proportion of the total number of executions were done in Virginia?How many executions were done in Oklahoma? ................
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