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Who faces the problem of scarcity?
Significance Level
A threshold chosen by the researcher to determine the cutoff at which an observed test statistic is considered statistically significant.
Slope
The rate of change in the y-variable per unit change in the x-variable in a linear equation; measures the steepness of a line.
Regression Line
A straight line that best approximates the relationship between two variables in regression analysis, indicating the expected value of the dependent variable for a given value of the independent variable.
Confidence Interval
A range of values, derived from sample statistics, that is likely to contain the value of an unknown population parameter.
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