Mathematics, 27.11.2019 02:31 helpme6191
A2012 gallup poll surveyed americans about their employment status and whether or not they have diabetes. the survey results indicate that 1.5% of the 47,774 employed (full or part time) and 2.5% of the 5,855 unemployed 18-29 year olds have diabetes.(a) create a two-way table presenting the results of this study(b) state appropriate hypotheses to test for independence of incidence of diabetes and employment status(c) the sample difference is about 1%. if we completed the hypothesis test, we would find that the p-value is very small (about 0), meaning the difference is statistically significant. use this result to explain the difference between statistically significant and practically significant findings
Answers: 1
Mathematics, 21.06.2019 18:20, acharity196
Do social recommendations increase ad effectiveness? a study of online video viewers compared viewers who arrived at an advertising video for a particular brand by following a social media recommendation link to viewers who arrived at the same video by web browsing. data were collected on whether the viewer could correctly recall the brand being advertised after seeing the video. the results are given below. correctly recalled the brandarrival 409153browsing20484b. conduct the hypothesis test, using the 0.025 level of significance. what is the value of the test statistic? χ2stat=what is the p-value? p-value=is this value significant atα=0.025?
Answers: 2
Mathematics, 21.06.2019 18:30, mauralawson
Aball is thrown from a height of 139 feet with an initial downward velocity of 15 ft/s. the ball's height h (in feet) after t seconds is given by the following. h=139-15t-16t^2 how long after the ball is thrown does it hit the ground? round your answer(s) to the nearest hundredth. (if there is more than one answer, use the "or" button.) t =
Answers: 1
A2012 gallup poll surveyed americans about their employment status and whether or not they have diab...
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