Solve the following minimal spanning tree problem starting at node 1. 
Definitions:
Significance Level
The probability of rejecting the null hypothesis in a statistical test when it is actually true, commonly denoted as alpha (α) and used as a threshold for determining statistical significance.
Statistically Significant
A determination that a relationship observed in a dataset is unlikely to have occurred by chance, according to a predefined significance level.
Significance Level
This is the probability of rejecting the null hypothesis when it is true, usually denoted by alpha (α), and used as a threshold for determining statistical significance.
Null Hypothesis
A hypothesis that states there is no significant difference or effect, typically to be tested against an alternative hypothesis.
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