A thermometer reading 75˚F is taken out where the temperature is 20˚F. The reading is 30˚F 4 minutes later. Find (a) the thermometer reading 7 minutes after the thermometer was brought outside, and (b) the time taken for the reading to drop form 75˚F to within a half degree of the air temperature or 20.5˚F.

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Estimation

A new framework of data analysis where the new statistical methods are used for interpreting the results and analyzing the data is known as estimation in statistics.