Question

find the mean mode and median of first 10 triangular numbers

Answer 1

the first ten triangular numbers are 1,3,6,10,15,21,28,36,45
$1 + 3 + 6 + 10 + 15 + 21 + 28 + 36 + 45 \div 10 =$
and the mean is 124.5
there is no mode in this numbers
because no number is repeating in these numbers

Answer 2

the first ten triangular numbers are 1,3,6,10,15,21,28,36,45
1 + 3 + 6 + 10 + 15 + 21 + 28 + 36 + 45 \div 10 =
and the mean is 124.5
there is no mode in this numbers
because no number is repeating in these numbers