Tests of the fidelity and the selectivity of 190 radios, Ask an Expert

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Tests of the fidelity and the selectivity of 190 radios produced the results shown in the following table: Use the 0/01 level of significance to test the null hypothesis that fidelity independent of selectivity.

sensitivity

Low Fidelity Average High

low 7 12 31

Average 35 59 18

High 15 13 0

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