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junior college 2 | H2 Maths
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Hi ! Can anyone help with 2c! thankss
Date Posted: 9 months ago
Views: 191
From your formula sheet
s² = (Σx² - (Σx)²/n)/(n - 1)
= [16,062 - (328 + 10 x 50)²/50]/49
s² = (Σx² - (Σx)²/n)/(n - 1)
= [16,062 - (328 + 10 x 50)²/50]/49
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Hope that the detailed working helps you
Date Posted:
9 months ago
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