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Sleep Deprivation In a recent study, volunteers who had 8
Chapter 1, Problem 46EC(choose chapter or problem)
Problem 46EC
Sleep Deprivation In a recent study, volunteers who had 8 hours of sleep were three times more likely to answer questions correctly on a math test than were sleep-deprived participants. (Source: CBS News)
(a) Identify the sample used in the study.
(b) What is the sample’s population?
(c) Which part of the study represents the descriptive branch of statistics?
(d) Make an inference based on the results of the study.
Questions & Answers
QUESTION:
Problem 46EC
Sleep Deprivation In a recent study, volunteers who had 8 hours of sleep were three times more likely to answer questions correctly on a math test than were sleep-deprived participants. (Source: CBS News)
(a) Identify the sample used in the study.
(b) What is the sample’s population?
(c) Which part of the study represents the descriptive branch of statistics?
(d) Make an inference based on the results of the study.
ANSWER:
Solution:
Step 1 of 2:
The volunteers who had 8 hours of sleep were three times more likely to answer questions correctly on a math test than were sleep-deprived participants.
- We have to identify the sample used in the study.
- We have to find the sample’s population.
- We have to identify that which part of the study represents the descriptive branch of statistics.
- We have to make an inference based on the result of the study.