Exhibit 20.7.A marketing firm needs to replace its existing network provider,and is considering three different providers.A primary consideration is the amount of system down time.The following table contains the amount of network down-time (in hours)for the last five months for each network provider. Refer to Exhibit 20.7.For the Kruskal-Wallis test,the competing hypotheses are:

Question

Exhibit 20.7.A marketing firm needs to replace its existing network provider,and is considering three different providers.A primary consideration is the amount of system down time.The following table contains the amount of network down-time (in hours)for the last five months for each network provider.  Refer to Exhibit 20.7.For the Kruskal-Wallis test,the competing hypotheses are:

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The Answer of Exhibit 20.7.A marketing firm needs to replace its existing network provider,and is considering three different providers.A primary consideration is the amount of system down time.The following table contains the amount of network down-time (in hours)for the last five months for each network provider.  Refer to Exhibit 20.7.For the Kruskal-Wallis test,the competing hypotheses are: