Pranalee was practicing for a 100m running race. She ran 100m 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.
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2
Answer:
15.7
Step-by-step explanation:
Mean formula: Sum of terms/ Number of terms
From the given question, sum = 18+17+17+16+15+15+15+14+16+15+15+17+15+16+15+17+16+15+14+15=314
So, mean=314/20=15.7
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Answer:
Your answer is
Step-by-step explanation:
Very Low compressibility
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