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 Neuroticismsp Sample Extroversion Size N SD 78 12.80 4.63 13.57 199 13.67 5.18 13.43 82 53 12.58 5.34 12.97 15.78 4.84 15.45 Water Signs 5.25 Other Signs 5.34 Winter Signs 5.22 Summer Signs 5.03 3.2. Do the data strongly suggest that those born under winter signs have a lower mean extroversion score than those born under summer signs? Use a level of 0.05 test.

Holt Mcdougal Larson Pre-algebra: Student Edition 2012
1st Edition
ISBN:9780547587776
Author:HOLT MCDOUGAL
Publisher:HOLT MCDOUGAL
Chapter11: Data Analysis And Probability
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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
Neuroticismsp
Sample
Extroversion
Size N
SD
X
78
12.80
4.63
13.57
199
13.67
5.18
13.43
82
12.58
5.34
12.97
53
15.78
4.84
15.45
Water Signs 5.25 Other Signs 5.34 Winter Signs 5.22 Summer Signs 5.03
3.2. Do the data strongly suggest that those born under winter signs have a lower mean
extroversion score than those born under summer signs? Use a level of 0.05 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 Neuroticismsp Sample Extroversion Size N SD X 78 12.80 4.63 13.57 199 13.67 5.18 13.43 82 12.58 5.34 12.97 53 15.78 4.84 15.45 Water Signs 5.25 Other Signs 5.34 Winter Signs 5.22 Summer Signs 5.03 3.2. Do the data strongly suggest that those born under winter signs have a lower mean extroversion score than those born under summer signs? Use a level of 0.05 test.
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