Question

1. Ariel was practising for a 100 m hurdle race. Today morning she practiced 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 , 14 , 16 , 18 , 17 , 16 , 15 , 14 , 15
Find the mean of the time taken for running.

Answer 1

Answer:

1. Ariel was practising for a 100 m hurdle race. Today morning she practiced 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 , 14 , 16 , 18 , 17 , 16 , 15 , 14 , 15

Find the mean of the time taken for running.

Answer 2

Answer:

. Ariel was practising for a 100 m hurdle race. Today morning she practiced 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 , 14 , 16 , 18 , 17 , 16 , 15 , 14 , 15

Find the mean of the time taken for running.