A popular theory is that presidential candidates have an advantage if they are taller than their main opponents. Listed are heights (in centir opponents. Complete parts (a) and (b) below.
Height (cm) of President 182 175 178 178 189 167
Height (cm) of Main Opponent 171 181 170 177 192 185
In this example, He is the mean value of the differences d for the population of all pairs of data, where each individual difference d is define
the null and alternative hypotheses for the hypothesis test?
Hoito
0 cm
H:Hd >
0 cm
(Type integers or decimals. Do not round.)
Identify the test statistic.
t=
(Round to two decimal places as needed.)