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The prediction interval developed from a simple linear regression model will be very narrow when the value of x used to predict y is equal to the mean value .
Federal Individual Income Tax
A tax levied by the IRS on the annual earnings of individuals, estates, and trusts.
1040ES
Form 1040-ES is used by taxpayers to estimate their taxes for the year and make quarterly payments. It is typically used by self-employed individuals or those without sufficient tax withholding.
1040A
A simplified version of the IRS Form 1040 used for individual income tax filing in the United States, applicable for taxpayers with straightforward tax situations.
Married Taxpayer Filing Separately
A tax filing status for married couples who choose to file their tax returns separately.
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