3. Listed below are the numbers of words spoken in a day by each member of eight different randomly selected couples. Co

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3 Listed Below Are The Numbers Of Words Spoken In A Day By Each Member Of Eight Different Randomly Selected Couples Co 1 (238.58 KiB) Viewed 23 times

3. 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 15,549 27,303 1358 7685 19,001 15,206 13,529 26,482 Female 25,553 12,863 18,965 17,271 12,766 16.757 16,662 18,063 a. Use a 0.01 significance level to test the claim that arrong couples, males speak fower words in a day than females. In this example, 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! Ha (1) word(s) H: (2- word(s) (Type integers or decimals. Do not round.) Identify the lost statistic. (Round to two decimal places as needed.) Identify the P-value P-value (Round to three decimal places as needed.) What is the conclusion based on the hypothesis test? Since the P-value is (3) the significance level, (4) 4 the null hypothesis. There (5) sufficient evidence to support the daim that males speak fewer words in a day than females. 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 word(s)<H word(s). (Round to the nearest integer as needed.) What feature of the confidence interval leads to the same conclusion reached in part (a)? Since the confidence interval contains (6) (7) the null hypothesis. (1) (5) (6) (4) O fail to reject reject (7) (2) O # O O > (3) O less than or equal to O greater than O is O is not O O reject o fail to reject zero , O only positive numbers, O only negative numbers, = O