mont4e_sm_ch06_mind

X 2 i will be smaller the value of may be quite

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Unformatted text preview: μ. n ∑ (x , the quantity i =1 This is because x i =1 is based on the values of the xi ’s. − x) 2 i will be smaller The value of μ may be quite different for this sample. 6-98 yi = a + bxi x= ∑ xi i =1 n 2 ∑ (x i =1 y= and n sx = ∑ (a + bxi ) i =1 n 2 6-99 x = 835.00 °F i =1 n = a + bx − x) and n −1 sx = sx ∑ (a + bxi − a − bx ) 2 i =1 n −1 Therefore, = na + b∑ xi 2 i = ∑ (bxi − bx ) 2 i =1 s y = bs x s x = 10.5 2 n n n sy = n n n °F The results in °C: 6-59 n −1 = b 2 ∑ ( xi − x ) 2 i =1...
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