題組內容
1. Given n observed data points, say
for i = 1,2,3,..., n , please answer the following questions:
(1). (10%) Please show that the straight line best fits the points is
, where
1. Given n observed data points, say
for i = 1,2,3,..., n , please answer the following questions:
(1). (10%) Please show that the straight line best fits the points is
, where