Answer :
Mean = Sum of data / Number of data
Mean of 5 test scores = m
Sum of 5 test scores / 5 = m
Sum of 5 test scores = 5m
Hence, the answer is 5m.
Mean of 5 test scores = m
Sum of 5 test scores / 5 = m
Sum of 5 test scores = 5m
Hence, the answer is 5m.