08_Ch1&amp;2

# 08_Ch1&amp;2 - xʹ xʺ x x = ∑ n iꌆ1 x i n m d = x...

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Unformatted text preview: xʹ xʺ x x = ∑ n iꌆ1 x i n m d = x ' (n+1) 2 x ' 1 = x '' n x ' n = x '' 1 q 1 = x ' (n+1)/4 q 2 = x ' 2(n+1)/4 = median q 3 = x ' 3(n+1)/4 d 1 = x ' (n+1)/10 d 2 = x ' 2(n+1)/10 ⋮ ⋮ ⋮ ⋮ d 5 = x ' 5(n+1)/10 = median = 2nd quartile ⋮ ⋮ ⋮ ⋮ d 8 = x ' 8(n+1)/10 d 9 = x ' 9(n+1)/10 m g = n n i =1 x i 5 of 1.13*1.22*1.12*.95*.87=1.05 m h = 1 1 n ∑ 1 x i = n ∑ 1 x i m h = n ∑ 1 x i = 4 1 2.5 + 1 2 + 1 1.5 + 1 6 = 120 52 = 2.3077       x w = ∑w i x i ∑w i x ' x ꌂ∑ n iꌆ1 x i /n     x ' (n+1)/2 = x ' (10+1)/2 = x ' 5.5 = x ' 1 = x '' 10 = 5 x ' 10 = x '' 1 = 100 q 1 = x ' (n+1)/4 = x ' 11/4 = x ' 2.75 = 13.75 q 2 = x ' 2(n+1)/4 = x ' 22/4 = x ' 5.5 = 25.00 q 3 = x ' 3(n+1)/4 = x ' 33/4 = x ' 8.25 = 45.25 f(c) = f(a) + [f(b) - f(a)] c-a b-a x ' 2.75 = x ' 2 + (x ' 3- x ' 2 )( 2.75 - 2 3 - 2 ) = 10 + (15-10) (.75) = 13.75 x ' 5.5 = x ' 5 + (x ' 6- x ' 5 )( 5.5 - 5 6 - 5 ) = 20 + (30-20) (.5) = 25.00 x ' 8.25 = x ' 8 + (x '...
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## This note was uploaded on 10/28/2009 for the course BUSINESS 1 taught by Professor 1 during the Spring '09 term at Hanyang University.

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08_Ch1&amp;2 - xʹ xʺ x x = ∑ n iꌆ1 x i n m d = x...

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