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3. In a certain research, some astrologists have speculated that people born under certain sun signs are more extroverted than people under other signs. The Eysenck Personality Inventory (EPI) was used to measure extroversion and neuroticism. The following data as follows: Sun Sign Sample Size Extroversion Neuroticism N SD SD Water Signs Other Signs Winter Signs Summer Signs 78 12.80 4.63 13.57 13.43 12.97 5.25 199 13.67 5.18 5.34 82 12.58 5.34 5.22 5.03 53 15.78 4.84 15.45

3. In a certain research, some astrologists have speculated that people born under certain sun signs are more extroverted than people under other signs. The Eysenck Personality Inventory (EPI) was used to measure extroversion and neuroticism. The following data as follows: Sun Sign Sample Size Extroversion Neuroticism N SD SD Water Signs Other Signs Winter Signs Summer Signs 78 12.80 4.63 13.57 13.43 12.97 5.25 199 13.67 5.18 5.34 82 12.58 5.34 5.22 5.03 53 15.78 4.84 15.45

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.6: Summarizing Categorical Data
Problem 27PPS
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3. In a certain research, some astrologists have speculated that people born under certain sun signs are more extroverted than people under other signs. The Eysenck Personality Inventory (EPI) was used to measure extroversion and neuroticism. The following data as follows: Sun Sign Sample Size Extroversion Neuroticism SD SD Water Signs Other Signs Winter Signs Summer Signs 78 12.80 4.63 13.57 5.25 199 13.67 5.18 13.43 5.34 5.22 5.03 82 12.58 15.78 5.34 12.97 53 4.84 15.45 Is there sufficient evidence to indicate that those born under water signs have a lower mean extroversion score than thise born under other (non-water) signs? Use a level of 0.01 test.
Transcribed Image Text:3. In a certain research, some astrologists have speculated that people born under certain sun signs are more extroverted than people under other signs. The Eysenck Personality Inventory (EPI) was used to measure extroversion and neuroticism. The following data as follows: Sun Sign Sample Size Extroversion Neuroticism SD SD Water Signs Other Signs Winter Signs Summer Signs 78 12.80 4.63 13.57 5.25 199 13.67 5.18 13.43 5.34 5.22 5.03 82 12.58 15.78 5.34 12.97 53 4.84 15.45 Is there sufficient evidence to indicate that those born under water signs have a lower mean extroversion score than thise born under other (non-water) signs? Use a level of 0.01 test.
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