J is a collection of 4 odd integers whose range is 4. The S.D. of J must be one of how many numbers?
a)3
b)4
c)5
d)6
e)7
a)3
b)4
c)5
d)6
e)7
would go for A
the question asks how many numbers must be there?
for a collection of 4 odd numbers, if the range is 4, then the 2nd and the 3rd numbers must be the same. so in effect there are 3 distinct numbers (1st, 2nd/3rd and 4th)
