Solutions Statistics

Solution) For the leading health maintenance organization (HMO) firms, data file XR15014 lists the number of p

Question: For the leading health maintenance organization (HMO) firms, data file XR15014 lists the number of person enrolled in the HMO along with the number of plans the firm administers. Given these data, determine the least squares equation for predicting the total enrollment as a function of the number of plans administered. What would be the estimated total enrollment for an HMO firm that administered 20 plans?

XR15014

HMOEnrolled	NumbPlans
13317160	85
8054722	12
4680685	38
4201608	27
4027065	12
3507096	19
3292842	47
2435410	33
1736300	5
1677521	13
1265992	10
1110696	4
888780	2
866715	18
666420	8
603317	3
510237	6
497012	2
410775	3
348685	3