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"Do Immigrants Make Us Safer?" asked the title of a New York Times Magazine article (Press, 2006). The article reported findings from several U.S.-based studies, including several conducted by Harvard sociologist Robert Sampson in Chicago. For each of the following findings, draw the table of cells that would comprise the research design. Include the labels for each row and column.
a. Mexicans were more likely to be married (versus single) than either blacks or whites.
b. People living in immigrant neighborhoods were 15% less likely than were people living in nonimmigrant neighborhoods to commit crimes. This finding was true among both those living in households headed by a married couple and those living in households not headed by a married couple.
c. The crime rate was higher among secondgeneration than among first-generation immigrants; moreover, the crime rate was higher among third-generation than among second-generation immigrants.
Why is cohort studies more expensive than case-control studies? I know one problem is cohort studies often must be followed up for a long period to determine whether the outcome of interest has developed and they are more expense than case-control..
researchers were interested in the relationship between age and brain activity. they collected data on 20 subjects
If its weekly cost function is C(x)=68,000+150x, how should the manufacturer set the size of the rebate in order to maximize its profit?
Standard deviation of 2.5 minutes. What does Chebyshev's Theorem say about the percentage of employees with commuting times between 58.6 minutes and 68.6 minutes?
Standard deviation of 30 lb. Find the percentage of such weights between 190 lbs and 225 lbs. among 400 men aged 18 to 74, how many are expected to weigh between 190 lbs and 225 lb.
the distribution of the sat scores in math for an incoming class of business students has mean of 580 and standard
Suppose in the disk drive factory of Example 8.8, we can observe K, the number of failed devices out of n devices tested. As in the example, let Hi denote the hypothesis that the failure rate is qi.
How can comparing between k- means and cluster tree by criteria or test statistics in sas program And what is the statistics rule can be use
question 1. examined the effect of body position on blood pressure 32 participants had their blood pressures measured
Find that the mean consumption of tea is 7.8 gallons per year with a standard deviation of 2.67 gallons.At α=0.07 can you support the society's claim?
the weights of a fish in a certain pond that is regularly stocked are considered to be normally distributed with a mean
the following data on sale price size and land-to-building ratio for 10 large industrial properties appeared in a
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