I listed a bass as 9.2 lbs. I was asked if that meant 9lbs 2 oz or 9.2 meaning 9lbs 3.5 oz. Ridiculous.
I've owned at least 50 FSOs, all weighed within 6oz on 9lbs. Also, in my 400+ transactions on TB I've never sold a bass to anyone who asked about weight
It happens. I saw someone listing their bass at 8.12 lbs and they meant 8 lbs 12 ounces. In your case with and ounce and a half difference, shouldn't matter. But everyone has their ideal weight and usually willing to pay less the more it deviates from that ideal.

I'll rather play while sitting with my favorite bass than buying something just because of its weight l