fatherbamboo
16.09.2021 •
Mathematics
With double-digit annual percentage increases in the cost of health insurance, more and more workers are likely to lack health insurance coverage (USA Today, January 23, 2004). The following sample data provide a comparison of workers with and without health insurance coverage for small, medium, and large companies. For the purposes of this study, small companies are companies that have fewer than 100 employees. Medium companies have 100 to 999 employees, and large companies have 1000 or more employees. Sample data are reported for 50 employees of small companies, 75 employees of medium companies, and 100 employees of large companies.
Health Insurance
Size of Company Yes No Total
Small 33 17 50
Medium 68 7 75
Large 88 12 100
Required:
a. Conduct a test of independence to determine whether employee health insurance coverage is independent of the size of the company. Use = .05.
b. Compute the value of the 2 test statistic
Solved
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Ответ:
6.5 + 8.5 + 9 = 24
Step-by-step explanation:
If IJ is mid-segment, then HJ is going to be half of GH, and same with IH and FH