The purpose of this study was to determine the effect of statistics instruction using computer-based tools, on statistics anxiety, attitude, and achievement. This study was designed as quasi-experimental research and the pattern used was a matched pre-test/post-test with control group design. Data was collected using three scales: a Statistics Anxiety Rating Scale, a Statistics Attitude Scale, and a Statistics Achievement Scale. ANCOVA and MANCOVA analyses the used during the analysis process. The findings of the study revealed that computer-based tools statistic instruction reduces statistics anxiety and improves attitude toward statistics and increases success.