Question List for "Stats: Modeling the World"

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Statistics » Suppose that a device advertised to increase a car's gas mileage really does not work. We test it on ... New
Started by burton19126
 634 Aug 30, 2019
Statistics » We are about to test a hypothesis using data from a well-designed study. Which is true?I. A large ... New
Started by aabwk4
 166 Aug 30, 2019
Statistics » To plan the budget for next year a college needs to estimate what impact the current economic ... New
Started by Mr. Wonderful
 725 Aug 30, 2019
Statistics » An online catalog company wants on-time delivery for at least 90% of the orders they ship. They have ... New
Started by B
 161 Aug 30, 2019
Statistics » We have calculated a confidence interval based on a sample of n = 180. Now we want to get a better ... New
Started by joblessjake
 184 Aug 30, 2019
Statistics » A certain population is bimodal. We want to estimate its mean, so we will collect a sample. Which ... New
Started by mmm
 338 Aug 30, 2019
Statistics » Which is true about a 98% confidence interval for a population proportion based on a given sample?I. ... New
Started by mckennatimberlake
 161 Aug 30, 2019
Statistics » Pew Research found that, in 2013, 50% of American adults favored allowing same-sex couples to marry ... New
Started by lilldybug07
 155 Aug 30, 2019
Statistics » Pew Research found that, in 2013, 50% of American adults favored allowing same-sex couples to marry ... New
Started by Anajune7
 118 Aug 30, 2019
Statistics » Researchers conduct a study to test a potential side effect of a new allergy medication. A random ... New
Started by audragclark
 176 Aug 30, 2019
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