A B C D E F G H J K L M Using one or two sentences,
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A B C D E F G H J K L M Using one or two sentences, interpret the 95% confidence interval you calculated. No Feedback Feedback 45 55 OUT A W N - 33 53 47 58 32 39 30 42 27 35 34 42 Should we accept or reject the null hypothesis? 59 66 65 72 41 55 41 53 In this situation, would the p-value be greater or less than the alpha value? N 11.000 11.000 Mean 41.273 51.818 Based on these data, does it appear that feedback improves performance? Mean Difference 10.545 19 SD 12.092 11.444 20 SD' (variance) 21 SED (standard error of the difference) Extra Credit. Using one or two sentences, interpret the effect size you calculated. 22 t 23 df 24 tcrit (critical t; use Table A.3a, alpha = 0.05) 25 lower 95% CI 26 upper 95% CI