Provide a hypothetical numerical example which demonstrates that the precision of a confidence interval is in part a function of sample size.
What will be an ideal response?
Answers will vary. For example, in a sample of 83 respondents, the mean number of hours worked per week is 39.04, with a standard deviation of 11.51. If we now assume that the sample size was 10,000, the 95% confidence interval would be (38.81, 39.26).
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Sorting students by ability is based primarily on the results of ________, which are plagued with their own class biases
a. socioeconomics b. personality tests c. flexible assessments d. standardized tests
After the 2008 presidential election, there were at least 200 incidents of racialized vandalism and many threats of violence against president-elect Barack Obama
Indicate whether this statement is true or false.
__________ cities increasingly rely on an economic structure that is based on scientific knowledge rather than industrial production and, as a result, a class of professionals and technicians grows in size and influence
a. Preindustrial b. Industrial c. Postindustrial d. Service
Enrique took pride in his ability to handcraft furniture, enjoying each step in the construction, assembly, and finishing of each piece
When his business failed, he began working at a furniture manufacturing plant, where he was responsible for nailing upholstery to sofa and chair frames. Enrique's experience is an example of __________. a. autonomy b. bureaucracy c. deskilling d. structural inertia