A random sample of Americans were categorized according to their happiness and their income level. The results are found below. Perform the hypothesis test that there is a relationship between income and happiness using 1% level of significance.

MATLAB: An Introduction with Applications
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**Hypothesis Testing**

A random sample of Americans were categorized according to their happiness and their income level. The results are found below. Perform the hypothesis test to determine if there is a relationship between income and happiness using a 1% level of significance.

| Income Level    | Happy | Unhappy | Total |
|-----------------|-------|---------|-------|
| Low income      | 390   | 337     | 727   |
| Middle income   | 952   | 423     | 1375  |
| High income     | 604   | 131     | 735   |
| Total           | 1946  | 891     | 2837  |

**Hypotheses**

- **H0**: Income and happiness are [Select] <br>
- **HA**: Income and happiness are [Select]

**Expected Values**

- The number of low-income people who are expected to be happy is [Select]
- The number of middle-income people who are expected to be unhappy is [Select]
- The number of high-income people who are expected to be unhappy is [Select]

**Test Statistics**

- The test statistic is [Select].
- The degrees of freedom to use is [Select].
Transcribed Image Text:**Hypothesis Testing** A random sample of Americans were categorized according to their happiness and their income level. The results are found below. Perform the hypothesis test to determine if there is a relationship between income and happiness using a 1% level of significance. | Income Level | Happy | Unhappy | Total | |-----------------|-------|---------|-------| | Low income | 390 | 337 | 727 | | Middle income | 952 | 423 | 1375 | | High income | 604 | 131 | 735 | | Total | 1946 | 891 | 2837 | **Hypotheses** - **H0**: Income and happiness are [Select] <br> - **HA**: Income and happiness are [Select] **Expected Values** - The number of low-income people who are expected to be happy is [Select] - The number of middle-income people who are expected to be unhappy is [Select] - The number of high-income people who are expected to be unhappy is [Select] **Test Statistics** - The test statistic is [Select]. - The degrees of freedom to use is [Select].
This image appears to show a portion of a form related to a statistical analysis of income and happiness. 

### Table Data
The table shows groups and corresponding figures:

- **High Income:** 604, 131, 735
- **Total:** 1946, 891, 2837

### Hypotheses
- **H0 (Null Hypothesis):** Income and Happiness are [Select]
- **HA (Alternative Hypothesis):** Income and Happiness are [Select]

### Questions for Analysis
- The number of low-income people who are expected to be happy is [Select]
- The number of middle-income people who are expected to be unhappy is [Select]
- The number of high-income people who are expected to be unhappy is [Select]

### Statistical Values
- The test statistic is [Select]
- The degrees of freedom to use is [Select]
- The critical value is [Select]
- The p-value is closest to [Select]

### Conclusion
- The conclusion is [Select]
- Therefore, the income and happiness are [Select]

### Instructions
Complete the form by selecting the appropriate options for each statement to infer the relationship between income levels and happiness based on statistical data.

This form might be part of a larger educational task aimed at teaching statistical methods, such as hypothesis testing and interpretation of data results.
Transcribed Image Text:This image appears to show a portion of a form related to a statistical analysis of income and happiness. ### Table Data The table shows groups and corresponding figures: - **High Income:** 604, 131, 735 - **Total:** 1946, 891, 2837 ### Hypotheses - **H0 (Null Hypothesis):** Income and Happiness are [Select] - **HA (Alternative Hypothesis):** Income and Happiness are [Select] ### Questions for Analysis - The number of low-income people who are expected to be happy is [Select] - The number of middle-income people who are expected to be unhappy is [Select] - The number of high-income people who are expected to be unhappy is [Select] ### Statistical Values - The test statistic is [Select] - The degrees of freedom to use is [Select] - The critical value is [Select] - The p-value is closest to [Select] ### Conclusion - The conclusion is [Select] - Therefore, the income and happiness are [Select] ### Instructions Complete the form by selecting the appropriate options for each statement to infer the relationship between income levels and happiness based on statistical data. This form might be part of a larger educational task aimed at teaching statistical methods, such as hypothesis testing and interpretation of data results.
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