A popular theory is that presidential candidates have an advantage if they are taller than their main opponents. Listed are heights​ (in centimeters) of randomly selected presidents along with the heights of their main opponents. Height cm of president 182 177 180 177 198 181 Height cm of main opponent 169 172 166 184 184 179   a.Identify the test statistic. t=? b. Identify the p value?

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