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Chapter 11: Q.82 (page 661)
Read the statement and decide whether it is true or false.
The test to use to determine if a six-sided die is fair is a goodness-of-fit test.
The statement is true.
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A sample standard deviation of minutes is the same as a sample variance of __________ minutes.
Read the statement and decide whether it is true or false.
The test for independence uses tables of observed and expected data values.
Do men and women select different breakfasts? The breakfasts ordered by randomly selected men and women at a popular breakfast place are shown in Table. Conduct a test for homogeneity at a level of significance.
A meteorologist wants to know if East and West Australia have the same distribution of storms. What type of test should she use?
Conduct a goodness-of-fit test to determine if the actual college majors of graduating females fit the distribution of their expected majors.
| Major | Women -Expected Major | Wome -Actual Major |
| Arts & Humaities | 14.0% | 670 |
| Biological Sciences | 8.4% | 410 |
| Business | 13.1% | 685 |
| Education | 13.0% | 650 |
| Engineering | 2.6% | 145 |
| Physical Sciences | 2.6% | 125 |
| Professional | 18.9% | 975 |
| Social Sciences | 13.0% | 605 |
| Technical | 0.4% | 15 |
| Other | 5.8% | 300 |
| Undecided | 8.0% | 420 |
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