How do you find the sigma of the x and y values? do you do it like a partial derivative?
reg...
Mathematics, 14.09.2019 10:30 mattmaddox86
How do you find the sigma of the x and y values? do you do it like a partial derivative?
regression analysis question:
infant 1 2 3 4 5 6 7 8
birth length(in) 19.75 20.5 19 21 19 18.5 20.25 20
6-month length (in) 25.5 26.25 25 26.75 25.75 25.25 27 26.5
a researcher collected data on length of birth and length at 6 months for 8 infants.
calculate the following values:
β x, β x2 , β y, β xy, β y2
then find ssxx and ssyy
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