From records, it is known that the duration of treating a disease by a standard therapy has a mean of 15 days. It is claimed that a new therapy can reduce the treatment time. To test this claim, the new therapy is tried on 70 patients, and from the data of their times to recovery, the sample mean and standard deviation are found to be 14.6 and 3.0 days, respectively. Perform the hypothesis test using a 2.5% level of significanc
From records, it is known that the duration of treating a disease by a standard therapy has a mean of 15 days. It is claimed that a new therapy can reduce the treatment time. To test this claim, the new therapy is tried on 70 patients, and from the data of their times to recovery, the sample mean and standard deviation are found to be 14.6 and 3.0 days, respectively. Perform the hypothesis test using a 2.5% level of significanc
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.4: Distributions Of Data
Problem 19PFA
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1. From records, it is known that the duration of treating a disease by a standard therapy
has a mean of 15 days. It is claimed that a new therapy can reduce the treatment time.
To test this claim, the new therapy is tried on 70 patients, and from the data of their
times to recovery, the sample mean and standard deviation are found to be 14.6 and 3.0
days, respectively.
Perform the hypothesis test using a 2.5% level of significance.
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