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

question 27

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.

---

Definitions:

Summer of Love

Refers to the summer of 1967, when thousands of young people converged on the Haight-Ashbury district of San Francisco, embodying the countercultural movement and promoting peace, love, and freedom.

Woodstock

A landmark music and arts festival held in 1969 in New York, symbolizing the counterculture movement of the 1960s with its message of peace, music, and community.

San Francisco

A major city in California, USA, known for its iconic Golden Gate Bridge, steep streets, and as a center of liberal activism in the United States.

Student Protest Movement

A social movement typically led by university students advocating for political or social change, notably active during the 1960s and 1970s.