Examlex
In testing the difference between two population means using two independent samples, the sampling distribution of the sample mean difference is normal if the sample sizes are both greater than 30.
Spending Changes
Refers to fluctuations in the amount of money spent by consumers, businesses, or the government.
Social Security
A government program designed to provide financial assistance to elderly, disabled, and survivors through retirement benefits, disabilities, and other means.
Tax Revenue
The income collected by the government from taxes.
National Debt
The cumulative sum of funds borrowed by a nation's government, usually due to spending more than it earns.
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