A marketing firm needs to replace its existing network provider and is considering three different providers.A primary consideration is the amount of system downtime.The following table contains the amount of network downtime (in hours) for the last five months for each network provider. 
The test statistic value is ____.
Definitions:
Book Value
Book value is the value of an asset according to its balance sheet account balance, calculated by subtracting any liabilities or obligations related to the asset from its original cost.
Fair Value
The amount one would get from selling an asset or the cost to move a liability in a structured exchange among market players on the evaluation date.
Equity Method
An accounting method used to assess the profits earned by investments in other companies, where the investment is recorded at cost and adjusted according to the investor's share of the investee's profit or loss.
Fair Value Option
The fair value option is an accounting choice that allows companies to record certain financial assets and liabilities at their fair market value to provide a more relevant measurement of their financial position.
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