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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.
lisa is baking cookies for a bake sale. she has to make at least two different types of cookies. she has a choice of
As part of his review for a chemistry test, a student randomly selects (without replacement) 40 out of 102 elements listed on the standard tables, and tries to guess their atomic numbers.
A certain random experiment can result in one of four different possible outcomes, which we'll call A, B, C and D.
It's quite possible that the population of such times is strongly skewed in the positive direction - that is, some jobs, such as compressor replacement, might take 3 or 4 hours. If this were true, would the interval constructed in part (a) still b..
Write the following compound statements in symbolic form, then use your knowledge of the historical events referred to by the simple statements to determine the truth value of the compound statements.- If Hitler ran the Third Reich, then either Cu..
Consider testing H0: μ= 27 vs Ha: μ
a random sample of 70 needles was taken from a medical manufacturing facility and 24 were found to be defective.
Could you explain the Pearson or product-moment correlation? If we were to use a partial correlation, would you want to look at the relationship between two variables while removing the effect of one or two other variables?
Construct the ANOVA table (i.e. compute the between and within SS) and test if there appears to be any differences in means (use α = 0.05)
The researchers discovered ‘‘an interaction between blade position and turntable speed.'' Hypothesize a regression model for E(y) that incorporates this interaction.
Until about 1830, most western settlers were southerners who settled near the tributaries of the Ohio-Mississippi River system. True or False?
According to the National Restaurant Association, 20% of fine-dining restaurants have instituted policies restricting the use of cell phones. From a sample of 100 fine-dining restaurants,
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