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 hypertention 79 39 118 Do not suffer from hypertension 262 92
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 hypertention 79 39 118 Do not suffer from hypertension 262 92
Holt Mcdougal Larson Pre-algebra: Student Edition 2012
1st Edition
ISBN:9780547587776
Author:HOLT MCDOUGAL
Publisher:HOLT MCDOUGAL
Chapter11: Data Analysis And Probability
Section: Chapter Questions
Problem 8CR
Related questions
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 hypertention |
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% significance level that adults with no siblings suffer different rates of hypertension than those with siblings?
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