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flawsa person spinning a 1962 penny gets 10 heads out of 50 spins because she gets a p-value of 000002 she says she has
defectsthe null hypothesis on rolling a die is a multiple of 3 and the proportion of multiples of 3 is 033 a person
which methoda proponent of a new proposition on a ballot wants to know whether the proposition is likely to passsuppose
which methoda proponent of a new proposition on a ballot wants to know the population percentage of people who support
effectiveness of incentives a teacher is interested in testing whether offering students some form of incentive
is it acceptable practice to look at your research results note the direction of the difference and then make the
when a person stands trial for murder the jury is instructed to assume that the defendant is innocentis this claim of
when in a criminal court a defendant is found not guilty is the court saying with certainty that he or she is innocent
coke vs pepsia taste test is done to see whether a person can tell coke from pepsiin each case 20 random and
marriage obsolete when asked whether marriage is becoming obsolete 782 out of 2004 randomly selected adults answering a
anxiety disorders according to time magazine december 5 2011 18 of adult americans suffer from an anxiety
seat belts suppose we are testing people to see whether the rate of use of seat belts has changed from a previous value
p-valuesfor each graph state whether the shaded area could represent a p-value explain why or why notif yes state
helmets suppose we are testing bikers to see if the rate of use of helmets has changed from a previous value of 79
cheatinga professor creates two versions of a 20-question multiple-choice quizeach question has four choices one
problem in this problem you construct a minimum-variance frontier ie the set of possible combinations of expected
random answeringa 25-question multiple-choice questionnaire has four choices for each question suppose an applicant is
dreaming a 2003 study of dreaming found that out of a random sample of 113 people 92 reported dreaming in colorhowever
nationality discrimination refugees make up about 20 of the population in a countryhowever only 3 of the 1500
women ceosthe percentage of female ceos in 2013 in fortune 500 companies was 4 according to time magazine march 18
gun controlhistorically the percentage of us residents who support stricter gun control laws has been 52a recent gallup
salary deduction a random survey showed that 1680 out of 2015 surveyed employees favored salary deduction for late
global warminghistorically from about 2001 to 2005 about 58 of americans believed that earths temperature was rising
plane crashes according to one source 50 of plane crashes are due at least in part to pilot errorsuppose that in a
mercury in freshwater fishsome experts believe that 20 of all freshwater fish in the united states have such high