Question

A home pregnancy test claims to be 97 percent accurate when consumers obtain a positive result. To what extent are the variables of “actual clinical condition” and “test 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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  • CreatedSeptember 17, 2014
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