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Listed below are the numbers of words spoken in a day by each member of eight...

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 , 947

26, 679

1362

7716

18,869

15,310

13,554

25,663

FemaleFemale

23,672

13,392

17,996

18,447

12,888

16,609

16,234

18,857

a. Use a 0.010 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?

Math   Statistics-And-Probability   
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