We pay tithing, so yeah I’d expect it to be higher.
I think we as Mormons are generous on that type of stuff... like if your house burns down we will take care of you. I had many members that generously helped people we were working with... so I shouldn’t be as harsh.
It’s the stuff on the fringes and in business that they are absurdly tight on... bad tippers, will squeeze pennies out of business deals, always want a Mormon discount. It does not apply for to all, but in general I’ve found Mormons to be quite frugal.
In part it comes from my wife who used to do wedding flowers out in NorCal... for a time half her clients were Mormon and the other half were not... she did awesome work really cheaply and made decent money on the non Mormon clients... the Mormons were another story... asked for the world and then their budget was like 300 (and these were not poor families). It was like they expected us to donate and serve... even though we weren’t in their ward and weren’t friends... it happened enough that I told my wife no more Mormons.
I also worked for a predominately Mormon accounting firm... Mormons + CPAs = cheapest people on earth. It was rough at times... I prefer to do business with non-Mormons... but love personally being friends and associated with all my Mormon friends.