Introductory Statistics
1st Edition
ISBN: 9781938168208
Author: Barbara Illowsky, Susan Dean
Publisher: OpenStax College
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Textbook Question
Chapter 11, Problem 17P
Use the following information to answer the next nine exercises: The following data are real. The cumulative number of
AIDS cases reported for Santa Clara County is broken down by ethnicity as in Table 11.29.
Ethnicity | Number of Cases |
White | 2,229 |
Hispanic | 1,157 |
Black/African-American | 457 |
Asian, Pacific Islander | 232 |
Total = 4075 |
The percentage of each ethnic group in Santa Clara County is as in Table 11.30.
Ethnicity | Percentage of total county population | Number expected (round to two decimal places) |
White | 42.9% | 1748.18 |
Hispanic | 26.7% | |
Black/African-American | 2.6% | |
Asian, Pacific Islander | 27.8% | |
Total=100% |
Is this a right-tailed, left-tailed, or two-tailed test?
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Introductory Statistics
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