Question

ii) Pranalee was practising for a 100 m. running race. She rus 100 m. distance
10 times. The time required in seconds for each attempt was as follows.
18, 15, 17, 15, 16, 16, 15, 16, 14, 15 Find the mean of the times taken
for running​

Answer 1

Answer:

Step-by-step explanation: mean=18+15+17+15+16+16+15+16+14+15/10

= 157/10

15.7 seconds