Psychologists have been investigating the differences between people with at least one brother or sister and those with none. In a letter to the New England Jounal of Medicine, researchers announced the results of a survey of 472 adults in Buffalo, New York. The experiment recorded whether the respondent suffered from hypertension and whether she or he had siblings. The data were summarized as shown bellow: SIBLING NO SIBLING TOTAL Suffer from hypertension 79 39 118 Do not suffer from hypertension 262 92 354 TOTAL 341 131 472 REQUIRED Do these data allow us to conclude at the 5% vignificance level that adults with no siblings suffer different rates of hypertension than those with siblings?
Psychologists have been investigating the differences between people with at least one brother or sister and those with none. In a letter to the New England Jounal of Medicine, researchers announced the results of a survey of 472 adults in Buffalo, New York. The experiment recorded whether the respondent suffered from hypertension and whether she or he had siblings. The data were summarized as shown bellow: SIBLING NO SIBLING TOTAL Suffer from hypertension 79 39 118 Do not suffer from hypertension 262 92 354 TOTAL 341 131 472 REQUIRED Do these data allow us to conclude at the 5% vignificance level that adults with no siblings suffer different rates of hypertension than those with siblings?
Holt Mcdougal Larson Pre-algebra: Student Edition 2012
1st Edition
ISBN:9780547587776
Author:HOLT MCDOUGAL
Publisher:HOLT MCDOUGAL
Chapter11: Data Analysis And Probability
Section11.5: Interpreting Data
Problem 1C
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Question
Psychologists have been investigating the differences between people with at least one brother or
sister and those with none. In a letter to the New England Jounal of Medicine, researchers
announced the results of a survey of 472 adults in Buffalo, New York. The experiment recorded
whether the respondent suffered from hypertension and whether she or he had siblings. The data
were summarized as shown bellow:
| SIBLING | NO SIBLING | TOTAL | |
| Suffer from hypertension | 79 | 39 | 118 |
| Do not suffer from hypertension | 262 | 92 | 354 |
| TOTAL | 341 | 131 | 472 |
REQUIRED
Do these data allow us to conclude at the 5% vignificance level that adults with no siblings suffer
different rates of hypertension than those with siblings?
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