A common belief among doctors, nurses and other medical professionals is that lunar cycle influences human behavior, such as the quality of sleep. In a recent study, a scientist was interested in investigating whether there is a significant difference in the number of sleeping hours in different moon phases: waxing crescent, full moon, and waning crescent. Participants’ number hour of sleep were recorded in the table below. Quality of sleeps (in number of hours) Waxing Crescent Full Moon Waning Crescent 7 8 9 7 8 4 5 4 3 6 5 7 8 9 6 What are the groups being compared? That is, what are the levels of the IV? What is the IV? What is the level of measurement of the IV?
A common belief among doctors, nurses and other medical professionals is that lunar cycle influences human behavior, such as the quality of sleep. In a recent study, a scientist was interested in investigating whether there is a significant difference in the number of sleeping hours in different moon phases: waxing crescent, full moon, and waning crescent. Participants’ number hour of sleep were recorded in the table below. Quality of sleeps (in number of hours) Waxing Crescent Full Moon Waning Crescent 7 8 9 7 8 4 5 4 3 6 5 7 8 9 6 What are the groups being compared? That is, what are the levels of the IV? What is the IV? What is the level of measurement of the IV?
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.6: Summarizing Categorical Data
Problem 10CYU
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A common belief among doctors, nurses and other medical professionals is that lunar cycle influences human behavior, such as the quality of sleep. In a recent study, a scientist was interested in investigating whether there is a significant difference in the number of sleeping hours in different moon phases: waxing crescent, full moon, and waning crescent. Participants’ number hour of sleep were recorded in the table below.
Quality of sleeps (in number of hours) |
||
Waxing Crescent |
Full Moon |
Waning Crescent |
7 8 9 7 8 |
4 5 4 3 6 |
5 7 8 9 6 |
-
- What are the groups being compared? That is, what are the levels of the IV?
- What is the IV?
- What is the level of measurement of the IV?
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