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	15,957	26,735	1447	7742	18,715	16,048	14,338	25,252
Female	24,659	13,782	18,501	17,688	12,813	17,221	16,838	19,023

b. Construct the confidence interval that could be used for the hypothesis test described in part (a). What feature of the confidence interval leads to the same conclusion reached in part (a)?The confidence interval is

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word(s)

word(s).