#data set_1
#time(min)  temp(C)
   0        66.09
   5        48.09
  10        48.76
  15        62.60
  20        67.21
  25        53.83
  30        47.97
  35        57.88
  40        58.89
  45        46.85
  50        58.21
  55        66.43
  60        46.62
  65        50.45
  70        64.85
  75        63.84
  80        49.55
  85        49.89
  90        57.54
  95        63.39
 100        47.75
 105        52.81
 110        68.22
 115        65.75
 120        58.33