The Table Below Displays Data Showing Weight Gain,in Grams,for 12

Essay

The table below displays data showing weight gain,in grams,for 12 young rats,three from each of four litters.Three different diets (the treatments)were assigned at random to the three siblings in litter one (block 1).This was repeated for the other three litters (blocks 2,3,and 4). $$\begin{array} { | c | c | c | c | } & \text { Treatment 1 } & \text { Treatment 2 } & \text { Treatment 3 } \\\hline \text { Block 1 } & 96 & 92 & 70 \\\hline \text { Block 2 } & 97 & 90 & 72 \\\hline \text { Black 3 } & 94 & 84 & 64 \\\hline \text { Block 4 } & 88 & 94 & 69 \\\hline\end{array}$$ Conduct a Friedman test at the 0.05 level of significance to determine if there are differences between the three diets.