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 15,927 26,833 1460 7597 18,313 15,379 13,861 25,484 Female 24,500 13, 197 18,890 18,349 13,022 17,030 15,930 19,214 . . . 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, Hd 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 word(s) Hy : Hd word(s) (Type integers or decimals. Do not round.)