What is the appropriate null hypothesis

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Reference no: EM13822716

Bay Area Community College (BACC) has collected data comparing the starting salaries of their graduating students with last names beginning with the letters A through M with those whose last names begin with N through Z. The first category, A through M, provided 47 random responses . The second category, N through Z, had 52 random responses . (12 pts)

Students_A_M	Students_N_Z
32890	21098
23000	19880
29015	25098
31898	18993
29466	20891
27890	25876
30654	23091
31973	24562
21456	18076
22999	27889
32776	22101
30434	20993
34954	21788
36987	23569
20876	20965
27654	23458
29432	24567
31876	23863
30987	20962
29670	22553
22579	21098
35985	24898
32470	21964
28763	23009
29415	21890
35071	24874
25983	19823
21880	24538
35593	24729
22569	23789
29841	25698
32650	20436
29427	24990
29996	21343
31874	23451
23195	21099
34990	25765
29845	22567
29996	27899
33889	21005
25182	22890
36201	24321
22994	21054
35789	22378
23198	27654
29468	25645
29379	19765
23109
18654
22891
19804
25993

a) If you assume that last names should not have an impact on starting salary of graduates of BACC, then what is the appropriate null hypothesis?

b) State the research hypothesis in words and in notation.

c) Calculate the appropriate test statistic.

d) Calculate the appropriate p-value for the test statistic.

e) Is the statistic statistically significant?

f) What type of error if any has been committed?

Reference no: EM13822716

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