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if alpha 010 what is the confidence level of a statistical test based on the alpha level of the question to the left
consider the following dependent random consider the following dependent random
a head librarian supervises a number of libraries in a large county he wants to know if full-time library workers and
regressionthe purpose of least squares regression is to find an appropriate linear model for two quantitative variables
a consumer survey has derived the following probability distribution for the number of coffee cups drunk per day by
suppose your marlceting colleague used a known population mean and standard deviation to compute the standard error as
suppose a and b are mutually exclusive events we know the probability of a occurring is 040 while the probability of b
coin flips suppose you tested 50 coins by flipping each of them many timesfor each coin you perform a significance test
educationan education board declared that 64 of all students who appeared for examination had passed in 2015 whereas 58
inferenceharry was tested to see whether he could tell cotton fabric from rayon fabric by touch alone he got 18
gun control laws the gallup organization frequently conducts polls in which they ask the following question in general
weight loss in menmany polls have asked people whether they are trying to lose weight a gallup poll in november of 2008
literacy in 2015 in march 2016 the unesco institute for statistics uis reported that the literacy rate in zimbabwe was
annual sports meet for a schools annual sports meet 56 of boys enrolled for track events and 44 of boys enrolled for
work from home in june 30 2012 the ventura county star reported that 63 of employers allow employees to work from home
flex time in 2012 the ventura county star reported that 77 of employers allow employees to use flex time and
wording of polls a poll in california done by the public policy institute asked whether the government should regulate
gay marriagea washington post poll march 18 2013 and a pew poll march 17 2013 both claimed to ask a random sample of
three-strikes law californias controversial three strikes law requires judges to sentence anyone convicted of three
sleep medicine for shift workers shift workers who work during the night and must sleep during the day often become
guns two pollsin 2013 a gallup poll reported that about 40 of people say they have a gun in their homein the same year
deep vein thrombosis standard anticoagulant therapy to prevent blood clots requires frequent laboratory monitoring to
choosing sciencejudging on the basis of experience a school counselor claims that 60 of australian students choose the
choosing science refer to exercise suppose 21 out of 25 students chose the science stream for higher studiesthe null
texting while driving the mother of a teenager has heard a claim that 25 of teenagers who drive and use a cell phone