Figure 21-30 The graph shows two budget constraints for a consumer. 
-Refer to Figure 21-30. Suppose Budget Constraint B applies. If the consumer's income is $90 and if he is buying 5 light bulbs, then how much money is he spending on hamburgers?
Definitions:
F Test
A statistical test used to determine if there are significant differences between the variances of two or more samples.
Experimental Procedures
Experimental procedures are systematic processes followed in scientific research to test hypotheses by manipulating and controlling variables.
Population Variances
Measures of the dispersion or spread of a set of data points in a population.
Sample Variances
A measure of the dispersion or spread of sample data points around their mean, indicating how spread out the sample values are.
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