Figure 11-1 
-Given the network shown in Figure 11-1 and the following information, what is the variance of the critical path? 
Definitions:
7-point Scale
A survey response scale that offers seven possible answers, often used to measure opinion or intensity.
Significance Level
The probability threshold below which the null hypothesis is rejected in hypothesis testing, often denoted as alpha.
Taste Ratings
Evaluation scores given to food or drink items based on their flavor profiles and sensory appeal.
Friedman Test
A statistical examination, free from parametric limits, designed to detect treatment variations across a series of tests.
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