Not to rain on your parade, but the stats below are meaningless unless you
qualify them as to their actual proportions in the wild. IOW, suppose that
80% of DML'ers have auto trannies - if 80% of pinging problems are with
auto-equipped trucks, then there is no difference attributable to tranny
type; however, you don't know that 80% of DML'ers have auto trannies.
To do it correctly, you would have to poll every DML'er (or at least a large
representative portion) and have them report all truck stats and whether or
not the truck pings - only then can you have meaningful statistics.
btw, I did have a minor in stats in grad school ;-)
-- '92 Dak CC 2wd 318 3.55 '84 GoldWing Interstate> Actual Pinging Status for whoever is interested: > > Model Years that Ping: > 1997 - 16% > 1998 - 26% > 1999 - 53% > 2000 - 5% > > Engine Sizes that Ping: > 2.5L - 0% > 3.9L - 16% > 5.2L - 79% > 5.9L - 5% > > Transmission Type: > 5 Speed - 19% > Automatic - 81% > > 2WD vs. 4wd doesn't matter since the results are just about even. >
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