% Automatically generated
\csname tex4ht\endcsname
\HCode{\Hnewline \Hnewline <!-- tex4ht_begin tex_tex4ht_tex tex 1 -->\Hnewline}
 some

$$ \chi^2 = \sum_{i=1}^N
          \left(y_i - (a + b x_i)
	  \over \sigma_i\right)^2 $$
		    

\HCode{\Hnewline <!-- tex4ht_end tex_tex4ht_tex tex 1 -->\Hnewline \Hnewline}
\HCode{\Hnewline \Hnewline <!-- tex4ht_begin tex_tex4ht_tex tex 2 -->\Hnewline}
 some

tex \TeX 
\HCode{\Hnewline <!-- tex4ht_end tex_tex4ht_tex tex 2 -->\Hnewline \Hnewline}

\bye
