The mean difference is 84 − 76 = 8. The pooled standard deviation is √[(6² + 8²)/2] = √[(36 + 64)/2] = √50 ≈ 7.07. The difference in means is 8, so it is 8 / 7.07 ≈ 1.13 standard deviations. - AMAZONAWS 📅 March 6, 2026 👤 scraface Mar 06, 2026
![The mean difference is 84 − 76 = 8. The pooled standard deviation is √[(6² + 8²)/2] = √[(36 + 64)/2] = √50 ≈ 7.07. The difference in means is 8, so it is 8 / 7.07 ≈ 1.13 standard deviations.](https://soloferat.biz.id/images/the-mean-difference-is-84--76--8-the-pooled-standard-deviation-is-6--82--36--642--50--707-the-difference-in-means-is-8-so-it-is-8--707--113-standard-deviations.jpg)
