TABLE 11-6
An agronomist wants to compare the crop yield of 3 varieties of chickpea seeds. She plants all 3 varieties of the seeds on each of 5 different patches of fields. She then measures the crop yield in bushels per acre. Treating this as a randomized block design, the results are presented in the table that follows. 
-Referring to Table 11-6, what is the null hypothesis for testing the block effects?
Definitions:
Manufacturing Overhead Costs
Expenses related to the manufacturing process that are not directly tied to the production of individual items, such as factory rent, utilities, and salaries of maintenance staff.
Journal Entry
A record in accounting that notes the specifics of a financial transaction, including date, amounts, and affected accounts, ensuring the accuracy of financial statements.
Raw Materials Account
An account in financial accounting that tracks the cost of materials not yet processed into finished goods.
Direct Materials Cost
The cost of raw materials that are directly traceable to a finished product and an essential part of manufacturing the product.
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