Math Problems on Horizon: "What is the standard deviation of 1, 4, & 7 ❓ #mathshorts #maths #quiz https"

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What is the standard deviation of 1, 4, & 7 ❓ #mathshorts #maths #quiz youtube.com/shorts/Sxv6tFv… via @YouTube

12:57 PM · Mar 23, 2026 · 2 Views

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