Three students Linda Tuan and Javier are given laboratory rats for a nutritional experiment Each rat s weight is recorded in grams Linda feeds her rats Formula A Tuan feeds his rats Formula B and Javier feeds his rats Formula C At the end of a specified time period each rat is weighed again and the net gain in grams is recorded Formula C 56 27 33 40 42 54 42 48 43 Assume that all distributions are normal the three population standard deviations are all the same and the data was collected independently and randomly Use a level of significance of a 0 1 Formula B Formula A 27 53 42 38 52 21 49 43 43 Ho H1 H H3 H At least two of the means differ from each other 1 For this study we should use ANOVA 2 The test statistic for this data 3 The p value for this sample 40 60 23 Please show your answer to 3 decimal places Please show your answer to 4 decimal places