This question concerns electronic clocktemperature display s

This question concerns electronic clock/temperature display signs which are frequently placed outside of buildings. Given a sample of 20 or so of these signs measuring the time/temperature from different areas in a city, what sort of statistical analysis can you perform to measure differences between each bank electronic sign?

Solution

Regression Analysis can be done to test the mean difference of each bank electronic sign. by noting the temperature of all the 20 clocks at the same time . then perform regression analysis to see whether there is a difference between any of clocks sign or all shows the same sign of temperature.