A research organization wishes to determine whether four brands of batteries for transistor radios perform equally well. Three batteries of each type were randomly selected and installed in the three test radios. The number of hours of use for each battery is given below. 
Consider the three different test radios and use Excel to carry out the analysis of variance procedure for a randomized block design. Use a .05 level of significance.
Definitions:
Time Management
The practice of organizing and planning how to divide one's time between specific activities to increase efficiency and productivity.
Manufacturing Equipment
Heavy industrial machines or devices used in the production process to manufacture goods and products.
Expected Rate Of Return
The annual rate of return that a firm expects to obtain through a capital investment.
Depreciation
The process of allocating the cost of a tangible asset over its useful life, reflecting the decrease in value over time.
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