Question

Pranalee was practicing for a 100 m running race. She ran 100 m distance 20 times. The time required, in seconds, for each attempt was as follows:
18, 17, 17, 16, 15, 16, 15, 14, 16, 15, 15, 17 , 15, 16 , 15, 17 , 16, 15, 14, 15 Find the mean of the times taken for running.

Answer 1

Answer:

answer is 306.5 s (approximately.5 minutes and 6.5 seconds ).

Answer 2

∴ The mean of the time taken for running 100 m race is 15.7 seconds