Using Excel,draw two bar charts that compare type of customer for males vs.females.Are gender and promotional customers related? 
Definitions:
Beta-Amyloids
Beta-Amyloids are protein fragments snipped from an amyloid precursor protein, which in excessive amounts, can form plaques found in the brains of patients with Alzheimer's disease.
Trial-And-Error
Trial-and-error is a problem-solving method involving repeated, varied attempts which are continued until success, or until the agent stops trying.
Mechanical Solution
A solution to a problem that is derived through systematic and logical processes, often involving a physical apparatus.
Heuristic Device
A method or tool used to simplify complex decision-making processes or problem-solving activities.
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