Calculate and test for partial correlation
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A researcher is interested in determining the partial correlation between age (X) and attitude towards interracial marriage (X), controlling for place of residence (rural or urban) (W). The researcher finds the following correlations: r sub xy=0.60; r sub xw=0.43; r sub yw=-.70, for N=175. Calculate the partial correlation coefficient and the t ratio. Set a=.05. What should the researcher conclude?
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The expert calculates partial correlation then test the significance.
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CAUTION: YOUR VALUES FOR THE CORRELATION PRODUCED A PARTIAL CORRELATION GREATER THAN 1 (OUT OF RANGE). SO, I MODIFIED -0.70 TO 0.70, BELIEVING THAT SHOULD BE THE SOURCE OF ERROR. PLEASE, ...
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