Six food critics each visited and rated four different restaurants. Each critic visited each restaurant on three separate occasions and recorded a score for each visit. The total number of degrees of freedom is 71.

Question

Quizplus · Accepted Answer

The total number of observations is $6 \text{ critics} \times 4 \text{ restaurants} \times 3 \text{ visits} = 72$. Since the degrees of freedom are calculated as the total number of observations minus 1, we have $72 - 1 = 71$ degrees of freedom.

Six Food Critics Each Visited and Rated Four Different Restaurants