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CJ 5th test
for final
| Question | Answer |
|---|---|
| Pearson's r | Which of the following correlational methods is not based on Chi square and requires ratio measured values? |
| Chi Square | This statistical method compares observed cell frequencies with expected cell frequencies. |
| both the median and mode | For a perfectly normally distributed variable (distributed like a Bell curve), which of the following would have the same value as the mean? |
| Chi Square | a test of independence between nominal or categorical variables |
| null statistical hypothesis | where X represents the mean value |
| ANOVA (Analysis of Variance) | Which of the following statistical methods is used to compare three or more sample means to determine if they are statistically significantly different from one another?. |
| true | Elaboration refers to the process of introducing or controlling for third variables by subclassifying the original bivariate table. |
| t-test | This statistical method is designed to compare the sample means of two groups |
| Which of the following correlations shows the strongest relationship? | -.90 |
| Parametric statistical techniques are used to analyze relationships between | interval or ratio variables |
| Suppose you want to study the relationship between gender (male, female) and income (annual $ salary) for San Diego County police officers. Which of the following is a substantive null hypothesis for examining this relationship? | there is no relationship between gender and income |
| Which of the following is not a measure of dispersion? | mode |
| How many degrees of freedom are in a 5 x 4 table | 12 |
Created by:
jazmincarrillo
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