The accuracy of a census report on a city in southern California was questioned by some government officials. A random sample of 1215 people living in the city was used to check the report, and the results are shown below. Ethnic Origin Census Percent Sample Result Black 10% 129 Asian 3% 34 Anglo 38% 461 Latino/Latina 41% 517 Native American 6% 61 All others 2% 13 1. Find the value of the chi-square statistic for the sample. (Round the expected frequencies to at least three decimal places. Round the test statistic to three decimal places.) 2. What are the degrees of freedom?
The accuracy of a census report on a city in southern California was questioned by some government officials. A random sample of 1215 people living in the city was used to check the report, and the results are shown below. Ethnic Origin Census Percent Sample Result Black 10% 129 Asian 3% 34 Anglo 38% 461 Latino/Latina 41% 517 Native American 6% 61 All others 2% 13 1. Find the value of the chi-square statistic for the sample. (Round the expected frequencies to at least three decimal places. Round the test statistic to three decimal places.) 2. What are the degrees of freedom?
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.5: Comparing Sets Of Data
Problem 14PPS
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The accuracy of a census report on a city in southern California was questioned by some government officials. A random sample of 1215 people living in the city was used to check the report, and the results are shown below.
| Ethnic Origin | Census Percent | Sample Result |
| Black | 10% | 129 |
| Asian | 3% | 34 |
| Anglo | 38% | 461 |
| Latino/Latina | 41% | 517 |
| Native American | 6% | 61 |
| All others | 2% | 13 |
1. Find the value of the chi-square statistic for the sample. (Round the expected frequencies to at least three decimal places. Round the test statistic to three decimal places.)
2. What are the degrees of freedom?
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