2. Health insurance benefits vary by the size of the company (Atlanta Business Chronicle, December 31, 2010). The sample data below show the number of companies providing health insurance for small, medium, and large companies. For purposes of this study, small companies are companies that have fewer than 100 employees. Medium-sized companies have 100 to 999 employees, and large companies have 1000 or more employees. The questionnaire sent to 225 employees asked whether or not the employee had health insurance and then asked the employee to indicate the size of the company. Size of the Company Health Insurance Small Medium Large Yes 36 65 88 No 14 10 12 a) Conduct a test of independence to determine whether health insurance

2. Health insurance benefits vary by the size of the company (Atlanta Business Chronicle, December 31, 2010). The sample data below show the number of companies providing health insurance for small, medium, and large companies. For purposes of this study, small companies are companies that have fewer than 100 employees. Medium-sized companies have 100 to 999 employees, and large companies have 1000 or more employees. The questionnaire sent to 225 employees asked whether or not the employee had health insurance and then asked the employee to indicate the size of the company. Size of the Company Health Insurance Small Medium Large Yes 36 65 88 No 14 10 12 a) Conduct a test of independence to determine whether health insurance

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Description: Attached is the screenshot for my problem. ---**Health Insurance Study: Company Size and Coverage**Health insurance benefits vary by the size of the company (*Atlanta Business Chronicle*, December 31, 2010). The sample data below show the number of c

MATLAB: An Introduction with Applications

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Publisher:Amos Gilat

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Units and Measurements

Measurements and comparisons are the foundation of science and engineering. We, therefore, need rules that tell us how things are measured and compared. For these measurements and comparisons, we perform certain experiments, and we will need the experiments to set up the devices.

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---

**Health Insurance Study: Company Size and Coverage**

Health insurance benefits vary by the size of the company (*Atlanta Business Chronicle*, December 31, 2010). The sample data below show the number of companies providing health insurance for small, medium, and large companies. For purposes of this study, small companies are companies that have fewer than 100 employees. Medium-sized companies have 100 to 999 employees, and large companies have 1000 or more employees. The questionnaire sent to 225 employees asked whether or not the employee had health insurance and then asked the employee to indicate the size of the company.

| Health Insurance | Size of the Company |
|------------------|---------------------|
| | Small | Medium | Large |
| Yes | 36 | 65 | 88 |
| No | 14 | 10 | 12 |

a) Conduct a test of independence to determine whether health insurance coverage is independent of the size of the company. What is the *p*-value? Using a 0.05 level of significance, what is your conclusion?

b) A newspaper article indicated employees of small companies are more likely to lack health insurance coverage. Use percentages based on the above data to support this conclusion.

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