Question List for "Stats: Modeling the World"

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Statistics » Which of the following will make a confidence interval narrower?I. increase the confidence level.II. ... New
Started by Diane
192 Aug 31, 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 cdr_15
182 Aug 31, 2019
Statistics » Depression A recent psychiatric study from the University of Southampton observed a higher incidence ... New
Started by Engineer
177 Aug 31, 2019
Statistics » Dolphin births A state has two aquariums that have dolphins, with more births recorded at the larger ... New
Started by mynx
288 Aug 31, 2019
Statistics » We test the hypothesis that p = 35% versus p < 35%. We don't know it but actually p = 26%. With ... New
Started by Zoey63294
220 Aug 31, 2019
Statistics » Suppose that a conveyor used to sort packages by size does not work properly. We test the conveyor ... New
Started by student77
156 Aug 31, 2019
Statistics » To plan the course offerings for the next year a university department dean needs to estimate what ... New
Started by serike
389 Aug 31, 2019
Statistics » A pharmaceutical company investigating whether drug stores are less likely than food stores to ... New
Started by WhattoUnderstand
474 Aug 31, 2019
Statistics » We are about to test a hypothesis using data from a well-designed study. Which is true?I. A small ... New
Started by colton
121 Aug 31, 2019
Statistics » A truck company wants on-time delivery for 98% of the parts they order from a metal manufacturing ... New
Started by joblessjake
412 Aug 31, 2019