Computer Science I'm using Decision Tree to predict the majors of new university students (classify them). The data of existing students has 3 majors (classes): Science, Business, and Arts. The variables used for predictions are: Origin_City, HighSchool_MathGrade, HighSchool_SocialScienceGrade, and HighSchool_GPA. What's the length of the longest possible path from the root node to a leaf node? A) 1 B) 2 C) 3 D) 4 E) It depents on the number of unique Origin_City values.

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Use of XOR function

XOR function or exclusive OR function was introduced in Excel 2013. This function is available under excel logical functions. For the given statement, the XOR function will return true only when either of the statements is true. It returns false when both the statements are true or when both the statements are false.