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For Molly, the substitution effect of a wage increase is stronger than the income effect. In response to a wage increase, will Sally work more hours or will she work fewer hours?
Chi-squared
A statistical test used to determine if there is a significant difference between observed frequencies and expected frequencies in categorized variables.
Critical Values
Specific points in the distribution of the test statistic beyond which the null hypothesis is rejected in hypothesis testing.
Degrees of Freedom
The number of values in a calculation that are free to vary without violating any constraints applied to the dataset, often impacting statistical significance testing.
Left Tail Area
refers to the portion of a distribution curve to the left of a specified value, often associated with finding probabilities in statistical analysis.
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