Question

A company wants to determine iftis employees have any preference among 5 different health plans which it offers to them. A sample of 200 employees provided the data below Cakulate the chisquwe test statistic to test the claim that the probabilities show no preference. Use 0.01 Plan 1 2 3 4 5 Employees 32 65 55 18 30 O A. 4591 OB. 48.91 OC. 5563 OD 3T 45

Answer 1

The solution is done showing all steps with calculations and required explanations. Hope you can understand and appreciate the work.

observed() expected (E) 32 40 65 40 55 40 18 40 30 40 200 200 O-E -8 25 15 -22 -10 0.000 (O-E/E 1.600 15.625 5.625 12.100 2.500 37.450 Total Employees = 200 Number of health plans = 5 Expected = 200/5 = 40 Chi-square Statistic = { 10:5)? = 37.45 Degrees of freedom = 5 - 1 = 4 p-value = 1.45 x 10-7 p value less than 0.01, so reject the null hypothesis.

Option D is correct.               (Answer)