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. malemale 15 comma 13715,137 26 comma 13126,131 14601460 78067806 18 comma 97018,970 15 comma 89815,898 13 comma 83913,839 24 comma 81324,813 femalefemale 24 comma 46724,467 13 comma 06913,069 19 comma 06119,061 18 comma 01018,010 12 comma 54512,545 16 comma 90716,907 16 comma 70916,709 19 comma 23319,233 a. use a 0.050.05 significance level to test the claim that among couples, males speak fewer words in a day than females. in this example, mu subscript dμd 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?