Pranalee was practising 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 , 1 7 , 1 7 , 1 6 , 1 5 , 1 6 , 1 5 , 1 4 , 1 6 , 1 5 ,
1 5 , 1 7 , 1 5 , 1 6 , 1 5 , 1 7 , 1 6 , 1 5 , 1 4 , 1 5
Find the mean of the times taken for running.
Answer:
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Step-by-step explanation:
The mean of the time taken for running 100 m race is 15.7 seconds