Exhibit 13.2 A researcher with Ministry of Transportation is commissioned to study the drive times to work (one-way) for U.S.cities.The underlying hypothesis is that average commute times are different across cities.To test the hypothesis,the researcher randomly selects six people from each of the four cities and records their one-way commute times to work.Refer to the below data on one-way commute time (in minutes) to work.Note that the grand mean is 36.625. 
Refer to Exhibit 13.2.Which of the following is the mean square for treatments?
Definitions:
Adequate Nutrition
Receiving a balanced intake of essential nutrients in the correct proportions to maintain health and support the body's functions.
Cephalocaudal
Describes the developmental progression in humans where growth and skill development start from the head and move towards the feet.
Differentiation
The process of distinguishing or becoming distinct in terms of identity, characteristics, or functionality.
Cephalocaudal
A pattern of growth where development begins at the head and progresses downwards toward the feet.
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