The standard error of the mean is 128.125.
The formula for standard error is:

With our information, we have:
The answer is 6.5 - you add 6 and 7 together and then you divide them by two
Answer:
300.
This is the product of 12 x 25. The lowest possible number with questions like these is [number] multiplied by [number], and in this case that's 300.
Rational) No
Integer) No
Whole) Yes
Natural) Yes
Describe the number:
It’s whole and Natural and it is 5