Mathematics, 10.03.2020 22:49, lee543
A simple random sample of 1,110 adult Americans is selected, and each person is asked the following question In light of all the evidence against the defendant, do you think he/she is guity? About 75% of those responding answered yes. The results of this survey: a) are reasonably accurate because it used a large simple random sample. b) probably overstate the percentage of people who think the defendant is guilty because of the questions wording. c) probably understate the percentage of people who think the defendant is guity because of the questio d) is inaccurate because of voluntary response. e) Is inaccurate because of convenience sampling.
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Mathematics, 21.06.2019 21:30, xaguilar
Data from 2005 for various age groups show that for each $100 increase in the median weekly income for whites, the median weekly income of blacks increases by $105. also, for workers of ages 25 to 54 the median weekly income for whites was $676 and for blacks was $527. (a) let w represent the median weekly income for whites and b the median weekly income for blacks, and write the equation of the line that gives b as a linear function of w. b = (b) when the median weekly income for whites is $760, what does the equation in (a) predict for the median weekly income for blacks?
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A simple random sample of 1,110 adult Americans is selected, and each person is asked the following...
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