The following date were obtained for a voltage measurement in mV on a noisy system. 1.25, 1.49, 1.41 1.31 ,1.29 "Assuming the noise is random. A. what is the Signal-to-noise ratio? b) How many measurments would have to be averaged to increase s/N to 1000

The following data were obtained for a voltage measurment;inmv, on a noisy system: 1.25,1.49,1.41,1.31,1.29 9) Assuming the noise is rantom, what is the signat-tanoise ratio? b) How many measurments would have to be averaged to increase SIN to 1000