Find the slope of the line. 
Definitions:
Behaviourally Anchored Rating Scale
A scale that uses specific descriptions of actual behaviours to rate various levels of performance.
Performance Appraisal
The systematic evaluation of employee performance against set objectives, often used as a basis for decisions on promotions, bonuses, and developmental needs.
Actual Behaviours
The observable actions or reactions of individuals or groups in response to their environment or stimuli.
Coaching
A form of training where an experienced employee offers performance advice to a less experienced co-worker.
Q3: Find the sum. <span class="ql-formula"
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