Mean output of solar cells of three types are measured six times under random light intensity over a period of 5 minutes, yielding the results shown. Research question: Is the mean solar cell output the same for all cell types?
SolarWatts
Solar Cell Output (watts)
Cell Type Output (watts)
A 123 121 123 124 125 127
B 125 122 122 121 122 126
C 126 128 125 129 131 128