said by Msradell:
When you move to a higher voltage scale (or resistance scale) you reduce the accuracy of the unit
No, you don't. You reduce the resolution. Totally different things.
And for an example you measure the AC voltage on the 200 and 2000V ranges.
Your readings are 116.6 and 116V respectively. The more accurate one is the one closer to the actual voltage, which can very well be 114.17V or 117.03V