Question

You may need to use the appropriate technology to answer this question Health insurance benefits vary by the size of the company. 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 1,000 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 Small Medium Large 59 16 Health Insurance Yes 30 82 No 20 18 (a) Conduct a test of independence to determine whether health insurance coverage is independent of the size of the company State the null and alternative hypotheses H: Having health insurance is not independent of the size of the company 0 H aving health insurance is independent of the size of the company O Ho. Having health insurance is independent of the size of the company 0 H: The proportion of companies with health insurance benefits is equal for small, medium and large companies Ho: Having health insurance is independent of the size of the company Ha: Having health insurance is not independent of the size of the company H:Having health insurance is not independent of the size of the company 0 Ha: The proportion of companies with health insurance benefits is not equal for small, medium and large companies Find the value of the test statistic. (Round your answer to three decimal places.) What is the p-value? (Round your answer to four decimal places.) D-value Using a 0.05 level of significance, what is your conclusion? Do not reject H We cannot conclude health insurance coverage and the size of the company are not independent 0 Reject H We conclude health insurance coverage is independent of the size of the company Do not reject Ho We cannot conclude health insurance coverage is independent of the size of the company Reject Ho. We conclude health insurance coverage is not independent of the size of the company (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. (Round your answers to the nearest integer.) For small companies, provide health insurance. For large companies support the conclusion that small companies are medium and large companies % do not provide health insurance. For medium companies %donot % do not provide health insurance. These percentages Select-▼ likely to provide health insurance coverage when compared to

Answer 1

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