Answer Preview answer is NOT 77, please help me find the correct answer 77 77 21.11 At least one of the answers above is NOT correct. Result incorrect incorrect correct Katie thinks that people living in a rural environment have a healthier lifestyle than other people. She believes the average lifespan in the USA is 77 years. A random sample of 11 obituaries from newspapers from rural towns in Idaho give = 81.71 and s = 0.74. Does this sample provide evidence that people living in rural Idaho communities live longer than 77 years? (a) State the null and alternative hypotheses: (Type "mu" for the symbol μ, e.g. mu >1 for the mean is greater than 1, mu< 1 for the mean is less than 1, mu not = 1 for the mean is not equal to 1) Ho: 77 HA 77 (b) Find the test statistic, t = 21.11
Answer Preview answer is NOT 77, please help me find the correct answer 77 77 21.11 At least one of the answers above is NOT correct. Result incorrect incorrect correct Katie thinks that people living in a rural environment have a healthier lifestyle than other people. She believes the average lifespan in the USA is 77 years. A random sample of 11 obituaries from newspapers from rural towns in Idaho give = 81.71 and s = 0.74. Does this sample provide evidence that people living in rural Idaho communities live longer than 77 years? (a) State the null and alternative hypotheses: (Type "mu" for the symbol μ, e.g. mu >1 for the mean is greater than 1, mu< 1 for the mean is less than 1, mu not = 1 for the mean is not equal to 1) Ho: 77 HA 77 (b) Find the test statistic, t = 21.11
Holt Mcdougal Larson Pre-algebra: Student Edition 2012
1st Edition
ISBN:9780547587776
Author:HOLT MCDOUGAL
Publisher:HOLT MCDOUGAL
Chapter11: Data Analysis And Probability
Section11.2: Box-and-whisker Plots
Problem 1E
Related questions
Question
Transcribed Image Text:Answer Preview
answer is NOT
77, please help me
find the correct
answer
77
77
21.11
At least one of the answers above is NOT correct.
Result
incorrect
incorrect
correct
Katie thinks that people living in a rural environment have a healthier lifestyle than other people. She believes the average lifespan in the USA is 77 years. A random sample of 11 obituaries
from newspapers from rural towns in Idaho give = 81.71 and s = 0.74. Does this sample provide evidence that people living in rural Idaho communities live longer than 77 years?
(a) State the null and alternative hypotheses: (Type "mu" for the symbol μ, e.g. mu >1 for the mean is greater than 1, mu< 1 for the mean is less than 1, mu not = 1 for the mean is not
equal to 1)
Ho: 77
HA 77
(b) Find the test statistic, t = 21.11
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