)Find the critical value(s). Round the answers to three decimal places, if necessary. If there is more than one critical value, separate them with commas. Compute the test value. Round the answer to 3 decimal places. X2=

)Find the critical value(s). Round the answers to three decimal places, if necessary. If there is more than one critical value, separate them with commas. Compute the test value. Round the answer to 3 decimal places. X2=

Mathematics For Machine Technology

8th Edition

ISBN:9781337798310

Author:Peterson, John.

Publisher:Peterson, John.

Chapter28: Degree Of Precision, Greatest Possible Error, Absolute Error, And Relative Error

Section: Chapter Questions

Problem 52A

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Question

Interstate Speeds It has been reported that the standard deviation of the speeds of drivers on Interstate 75 near Findlay, Ohio, is 8 miles per hour for all vehicles. A driver feels from experience that this is very low. A survey is conducted, and for 29 drivers the standard deviation is 9.1 miles per hour. At =α0.05, is the driver correct? Assume the variable is normally di)Find the critical value(s). Round the answers to three decimal places, if necessary. If there is more than one critical value, separate them with commas. Compute the test value. Round the answer to 3 decimal places. X2=

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