Answer :
arithmetic mean of 7 , 21
(7 + 21) /2 = 14
Arithmetic mean of 7 and 14
(7+ 14) /2 = 10.5
Arithmetic mean of 14 and 21
(21 + 14)/2 =17.5
so, the three arithmetic means would be : 10.5 , 14 , and 17.5
hope this helps
(7 + 21) /2 = 14
Arithmetic mean of 7 and 14
(7+ 14) /2 = 10.5
Arithmetic mean of 14 and 21
(21 + 14)/2 =17.5
so, the three arithmetic means would be : 10.5 , 14 , and 17.5
hope this helps