Examlex
In the table below, x represents the number of years since 2000 and y represents annual sales (in thousands of dollars) for a clothing company. Use the least squares regression equation to Estimate sales in the year 2006. Round to the nearest thousand dollars.
Rejection Region
The rejection region is the range of values in hypothesis testing that leads to the rejection of the null hypothesis if the test statistic falls within this range.
Robust Estimator
An estimate method that is not overly sensitive to outliers or violations of assumptions by the underlying data-generating process.
Normality
In statistics, a condition in which a distribution approximates the normal distribution, characterized by a bell-shaped curve.
Consistent
In statistics, a property of an estimator indicating that as the sample size increases, it converges in probability to the true parameter value.
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