In the year 2032, Daniella Portelada is a leading traveling nurse. Daniella is interested in reducing the mean recovery time for patients after experiencing a serious injury. Suppose the mean recovery time is presently 8.4 months. Daniella takes a random sample of 45 patients that have experienced serious injury to participate in a new treatment program and finds the sample mean is 7.9 months and a sample standard deviation of 1.2 months. Using α = 0.05, answer the following questions. a) What is the setup for your null and alternative hypothesis? b) What is the value of the test statistic? c) Using the appropriate level of confidence, what is the confidence interval?

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.3: Measures Of Spread
Problem 1GP
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In the year 2032, Daniella Portelada is a leading traveling nurse. Daniella is interested in reducing the mean recovery time for patients after experiencing a serious injury. Suppose the mean recovery time is presently 8.4 months. Daniella takes a random sample of 45 patients that have experienced serious injury to participate in a new treatment program and finds the sample mean is 7.9 months and a sample standard deviation of 1.2 months. Using α = 0.05, answer the following questions. a) What is the setup for your null and alternative hypothesis? b) What is the value of the test statistic? c) Using the appropriate level of confidence, what is the confidence interval? d) What is the interpretation (not your conclusions) in the context of the problem of the confidence interval you obtained in part c? e) What is the p value? f) What is the interpretation (not your conclusions) of the p value in the context of the problem you found in part e? g) What are your conclusions in the context of the problem? Relate your conclusions to the test statistic and critical value, confidence interval and p value. Bonus question (1 point) What is the title of the classic science fiction novel by Frank Herbert that includes the line “Fear is the mind killer. It is the little death.” A. One Flew over the Cuckoo’s Nest B. The Grapes of Wrath C. Tom Sawyer and Huckleberry Finn D. Dune E. The Firm Please make answers clear and legible
If you use a calculator, you must show what you
placed in your calculator in order to receive
credit.
In the year 2032, Daniella Portelada is a leading
traveling nurse. Daniella is interested in reducing
the mean recovery time for patients after
experiencing a serious injury. Suppose the mean
recovery time is presently 8.4 months. Daniella
takes a random sample of 45 patients that have
experienced serious injury to participate in a new
treatment program and finds the sample mean is 7.9
months and a sample standard deviation of 1.2
months. Using a = 0.05, answer the following
questions.
a) What is the setup for your null and alternative
hypothesis?
b) What is the value of the test statistic?
c) Using the appropriate level of confidence,
what is the confidence interval?
d) What is the interpretation (not your
conclusions) in the context of the problem of the
confidence interval you obtained in part c?
e) What is the p value?
f) What is the interpretation (not your
conclusions) of the p value in the context
problem you found in part e?
the
g) What are your conclusions in the context of
the problem? Relate your conclusions to the test
statistic and critical value, confidence interval
and p value.
Bonus question (1 point)
What is the title of the classic science fiction
novel by Frank Herbert that includes the line
"Fear is the mind killer. It is the little death."
a) One Flew over the Cuckoo's Nest
b) The Grapes of Wrath
c) Tom Sawyer and Huckleberry Finn
d) Dune
e) The Firm
Transcribed Image Text:If you use a calculator, you must show what you placed in your calculator in order to receive credit. In the year 2032, Daniella Portelada is a leading traveling nurse. Daniella is interested in reducing the mean recovery time for patients after experiencing a serious injury. Suppose the mean recovery time is presently 8.4 months. Daniella takes a random sample of 45 patients that have experienced serious injury to participate in a new treatment program and finds the sample mean is 7.9 months and a sample standard deviation of 1.2 months. Using a = 0.05, answer the following questions. a) What is the setup for your null and alternative hypothesis? b) What is the value of the test statistic? c) Using the appropriate level of confidence, what is the confidence interval? d) What is the interpretation (not your conclusions) in the context of the problem of the confidence interval you obtained in part c? e) What is the p value? f) What is the interpretation (not your conclusions) of the p value in the context problem you found in part e? the g) What are your conclusions in the context of the problem? Relate your conclusions to the test statistic and critical value, confidence interval and p value. Bonus question (1 point) What is the title of the classic science fiction novel by Frank Herbert that includes the line "Fear is the mind killer. It is the little death." a) One Flew over the Cuckoo's Nest b) The Grapes of Wrath c) Tom Sawyer and Huckleberry Finn d) Dune e) The Firm
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