A survey 144 retail stores revealed that the average price of a ZBox was $375 with a standard error of $20. TB 08-27 If 90% and 95% confidence intervals were dev... If 90% and 95% confidence intervals were developed to estimate the true cost of the ZBox, what similarities would they have? Multiple Choice Point estimatesIncorrect t-values would be the same Standard errors Both point estimates and standard errors would be the same Both standard errors t-values would be the

A survey 144 retail stores revealed that the average price of a ZBox was $375 with a standard error of $20. TB 08-27 If 90% and 95% confidence intervals were dev... If 90% and 95% confidence intervals were developed to estimate the true cost of the ZBox, what similarities would they have? Multiple Choice Point estimatesIncorrect t-values would be the same Standard errors Both point estimates and standard errors would be the same Both standard errors t-values would be the

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018

18th Edition

ISBN:9780079039897

Author:Carter

Publisher:Carter

Chapter4: Equations Of Linear Functions

Section: Chapter Questions

Problem 6SGR

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Suppose you are interested in the rate of autism among current school-aged children in Utah. You collect a sample of 400 children between the ages of 5 and 18 and find that two have had a previous diagnosis of an autism disorder. You plan to calculate a 95% confidence interval estimator of the proportion of school-aged children in Utah who have ever had a diagnosis of an autism disorder. Which of the following is the most likely reason you would use a Wilson estimator to calculate the confidence interval estimator? A confidence interval estimator based on the Wilson estimator does not use the normal distribution. It is possible that if even the actual proportion in Utah is 1%, your sample may only have very few children who have had a previous diagnosis of an autism disorder. It is an easier way to calculate the confidence interval estimator. It is uncomfortable to define having been diagnosed with autism as a success. Let p be the proportion of…
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Come up with your own data for a problem that would ask for a 90% confidence interval utilizing Z. Clearly label your variables.
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