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sreh, Ihe, bases charges to a client on the assumption that telephone surveys can be completed in a mean time of 15 minutes or less. if a longer mean survey time is necessary, a premium rate is charged. A sample of 35 surveys provided the survey times shown in the file Fowle. Based upon past studies, the opulation standard deviation is assumed known with o4 minutes. Is the premium rate justified? Click on the datafile logo to reference the data. DATA file Formulate the null and alternative hypotheses for this application, Select your anwer Select your answer Compute the value of the test statistic (to 2 decimals). -What is the p-value (to 4 decimals)? - Using a= 0.01, is a premium rate justified for this client? Select your answer

sreh, Ihe, bases charges to a client on the assumption that telephone surveys can be completed in a mean time of 15 minutes or less. if a longer mean survey time is necessary, a premium rate is charged. A sample of 35 surveys provided the survey times shown in the file Fowle. Based upon past studies, the opulation standard deviation is assumed known with o4 minutes. Is the premium rate justified? Click on the datafile logo to reference the data. DATA file Formulate the null and alternative hypotheses for this application, Select your anwer Select your answer Compute the value of the test statistic (to 2 decimals). -What is the p-value (to 4 decimals)? - Using a= 0.01, is a premium rate justified for this client? Select your answer

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.5: Comparing Sets Of Data
Problem 13PPS
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Fowle Marketing Research, Inc., bases charges to a client on the assumption that telephone surveys can be completed in a mean time of 15 minutes or less. If a longer mean survey time is necessary, a premium rate is charged. A sample of 35 surveys provided the survey times shown in the file Fowle. Based upan past studies, the population standard deviation is assumed known with o =4 minutes. Is the premium rate justified? Click on the datafile logo to reference the data. DATA File a. Formulate the null and alternative hypotheses for this application, Hot Ha: Select your answer Select your answer b. Compute the value of the test statistic (to 2 decimals). c. What is the p-value (to 4 decimals)? d. Using a 0.01, is a premium rate justified for this client? Select your answer
Transcribed Image Text:Fowle Marketing Research, Inc., bases charges to a client on the assumption that telephone surveys can be completed in a mean time of 15 minutes or less. If a longer mean survey time is necessary, a premium rate is charged. A sample of 35 surveys provided the survey times shown in the file Fowle. Based upan past studies, the population standard deviation is assumed known with o =4 minutes. Is the premium rate justified? Click on the datafile logo to reference the data. DATA File a. Formulate the null and alternative hypotheses for this application, Hot Ha: Select your answer Select your answer b. Compute the value of the test statistic (to 2 decimals). c. What is the p-value (to 4 decimals)? d. Using a 0.01, is a premium rate justified for this client? Select your answer
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