Given the distribution of grouped scores shown in the following table. 
What is the value of i ?
Definitions:
Health Insurance
A type of insurance coverage that pays for medical and surgical expenses incurred by the insured.
Self-Employed
An individual who operates a business or trade as a sole proprietor or independent contractor, responsible for their own tax filings and benefits.
Health Savings Account
A tax-advantaged saving account designed for individuals covered under high-deductible health plans to save for medical expenses.
High Deductible Health Plan
A health insurance plan with lower premiums and higher deductibles than traditional health plans, often linked with Health Savings Accounts (HSAs).
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