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Question 6 Jennifer is interested in comparing the average lifespans of the current residents of a small village to that of those who resided there 100 years ago. Jennifer measures the lifespans of four randomly selected residents who died 100 years ago. Jennifer then measures the lifespans of four randomly selected residents who died in the past year. Jennifer discovers a difference in average lifespans of 19.6 years. Nevertheless, the results are not statistically significant (P-value = 0.2174). The most likely explanation is O that it is unlikely that the measurements from 100 years ago are accurate. O that 19.6 years isn't really a long time when considering an entire lifetime. that the sample size is small, so variability makes large differences hard to detect.

Question 6 Jennifer is interested in comparing the average lifespans of the current residents of a small village to that of those who resided there 100 years ago. Jennifer measures the lifespans of four randomly selected residents who died 100 years ago. Jennifer then measures the lifespans of four randomly selected residents who died in the past year. Jennifer discovers a difference in average lifespans of 19.6 years. Nevertheless, the results are not statistically significant (P-value = 0.2174). The most likely explanation is O that it is unlikely that the measurements from 100 years ago are accurate. O that 19.6 years isn't really a long time when considering an entire lifetime. that the sample size is small, so variability makes large differences hard to detect.

Ciccarelli: Psychology_5 (5th Edition)
Ciccarelli: Psychology_5 (5th Edition)
5th Edition
ISBN:9780134477961
Author:Saundra K. Ciccarelli, J. Noland White
Publisher:Saundra K. Ciccarelli, J. Noland White
Chapter1: The Science Of Psychology
Section: Chapter Questions
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D Question 6 Jennifer is interested in comparing the average lifespans of the current residents of a small village to that of those who resided there 100 years ago. Jennifer measures the lifespans of four randomly selected residents who died 100 years ago. Jennifer then measures the lifespans of four randomly selected residents who died in the past year. Jennifer discovers a difference in average lifespans of 19.6 years. Nevertheless, the results are not statistically significant (P-value = 0.2174). The most likely explanation is that it is unlikely that the measurements from 100 years ago are accurate. Othat 19.6 years isn't really a long time when considering an entire lifetime. O that the sample size is small, so variability makes large differences hard to detect. that the calculation was in error.
Transcribed Image Text:D Question 6 Jennifer is interested in comparing the average lifespans of the current residents of a small village to that of those who resided there 100 years ago. Jennifer measures the lifespans of four randomly selected residents who died 100 years ago. Jennifer then measures the lifespans of four randomly selected residents who died in the past year. Jennifer discovers a difference in average lifespans of 19.6 years. Nevertheless, the results are not statistically significant (P-value = 0.2174). The most likely explanation is that it is unlikely that the measurements from 100 years ago are accurate. Othat 19.6 years isn't really a long time when considering an entire lifetime. O that the sample size is small, so variability makes large differences hard to detect. that the calculation was in error.
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