I think you'll find university level analytical chemistry to be, like you said, 50% basic statistics (computing ANOVA, that sort of thing) and 50% laboratory techniques (using a burette properly, weighing by difference, instrument techniques, etc.) But definitely review your basic statistics so you're prepared -- know how to plug and chug in your calculator or spreadsheet for mean, standard deviation, ANOVA, know what "degrees of freedom" means, stc.