A home pregnancy test claims to be 97 percent accurate when consumers obtain a positive result. To what extent are the variables of €œactual clinical condition€ and €œtest readings€ related?
a. Compute phi, Cramer€™s V, and the contingency coefficients for the table below. What can you say about the strength of the relationship between the two variables?
b. Compute lambda for these data. What does the statistic tell you?
Actual Clinical Condition* Test Readings of In-Vitro DiagnosticCross-Tabulation

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Count Actual Test Readings of In-Vitro clinical condition Diagnostic Positive 451 accurate 15 naccurate 466 Negative 36 naccurate 183 accurate 219 Total Pregnant 487 Not Pregnant 198 Total 685