Listed below are the numbers of words spoken in a day by each member of eight different randomly selected couples. Complete parts (a) and (b) below. Male 15,280 27,346 1364 7834 18,145 15,917 13,595 26,575 Female 23,838 13,334 18,934 17,181 13,215 17,503 15,657 18,928 a. Use a 0.01 significance level to test the claim that among couples, males speak fewer words in a day than females. In this example, po is the mean value of the differences d for the population of all pairs of data, where each individual difference d is defined as the words spoken by the male minus words spoken by the female. What are the null and alternative hypotheses for the hypothesis test? Ho Hd = 0 word(s) H1 : Ha