A random sample of beef hotdogs was taken and the amount of sodium (in mg) and calories were measured below.   Table 1: Calories and Sodium Levels in Beef Hotdogs  

Calories  Sodium 

  186       495   

181         477   

176       425   

149        322  

 184  482   

190  587   

158  370   

139  322   

175  479   

148  375   

152  330   

111  300   

141  386   

153  401   

190  645   

157  440   

131  317   

149  319   

135  298   

132  253  

Predict the sodium levels if the calorie level are as follows:

Calorie level 165 Calorie level 142 Calorie level 180

Kindly use linear regression, and KNN for the same