Core Mathematics

**Image Prompt 1: The Deceptive Average** "An illustrative scene contrasting a misleading average with actual variability. The background features a digital dashboard displaying a green, seemingly positive 'Average Customer Wait Time' with a low numerical value. In the foreground, the reality unfolds: a customer happily walking away from a service counter having been served instantly, while another customer nearby is visibly frustrated, slumped in a chair, having waited for an excruciatingly long time. A subtle, transparent overlay of a wide, flat bell curve (representing high standard deviation) visually connects the extreme experiences, highlighting how the average alone fails to capture the significant spread in service times, leading to customer dissatisfaction. The image should evoke a sense of 'hidden problems' despite good-looking statistics."
Contents

Why Most People Fail At Basic Statistics And How To Avoid It

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