Problem #1: Strategies for treating hypertensive patients by nonpharmacologic methods are compared by establishing three groups of hypertensive patients who receive the following types of nonpharmacologie therapy: Group 1: Patients receive counseling for weight reduction Group 2: Patients receive counseling for meditation Group 3: Patients receive no counseling at all The reduction in diastolic blood pressure is noted in these patients afterd 1-month period and are given in the table below. Group 1 Group 2 Group 3 4.5 2.4 2.3 2.5 4.2 4.8 12 -0.3 0.9 3.4 (a) What are the appropriate null and alternative hypotheses to test whether or not the mean reduction in diastolic blood pressure is the same for the three groups? (b) Find the values of SS(treatment) and SS(error). (c) What conclusion can you draw about the hypothesis test in (a)? Use a = 05 (A) Ho H # 42 # H3. Hy - H, = ) for all pairs (,.D (B) Ho 44 = 42 = 3. Hi 4 for at least one pair (1,) (C) Họ H1= #2 = 3. Hị Hy # Hz # Hg (D) He = =43. H H +4y for all pairs (6.) (E) H9 - Hy + H3 # Mg. Hị Hi= Hj for at least one pair (i.) Problem 1(a) Select v hypothesis tested Problem 1(b) Ss(treetment), SS(error) (numbers correct to 4 decimals) (A) Do not reject Họ sınce 3.4938 56.5415. (B) Reject Họ since 12.2282 > 4.7374. (C) Reject Ho since 13.9751> 4.7374. (D) Do not reject Ho since 3.4938 <4.7374. (E) Reject Ho since 9.3167>4.7374. (F) Reject Họ since 9.3167>65415 (G) Reject Ho since 12.2282 >65415. (H) Reject Ho since 13 9751 >6 5415. Droblem alch Select concusion Just Save Submit Problem 1 for Grading Problem 1 Attemet 2 1(a) 1(b) 1(c) Attempt Attemet e Your Answer 1(a) 1(b) 1(c) 1(b) Your Mark: 1(e) 1(b) (a) 3(b) (b)
Problem #1: Strategies for treating hypertensive patients by nonpharmacologic methods are compared by establishing three groups of hypertensive patients who receive the following types of nonpharmacologie therapy: Group 1: Patients receive counseling for weight reduction Group 2: Patients receive counseling for meditation Group 3: Patients receive no counseling at all The reduction in diastolic blood pressure is noted in these patients afterd 1-month period and are given in the table below. Group 1 Group 2 Group 3 4.5 2.4 2.3 2.5 4.2 4.8 12 -0.3 0.9 3.4 (a) What are the appropriate null and alternative hypotheses to test whether or not the mean reduction in diastolic blood pressure is the same for the three groups? (b) Find the values of SS(treatment) and SS(error). (c) What conclusion can you draw about the hypothesis test in (a)? Use a = 05 (A) Ho H # 42 # H3. Hy - H, = ) for all pairs (,.D (B) Ho 44 = 42 = 3. Hi 4 for at least one pair (1,) (C) Họ H1= #2 = 3. Hị Hy # Hz # Hg (D) He = =43. H H +4y for all pairs (6.) (E) H9 - Hy + H3 # Mg. Hị Hi= Hj for at least one pair (i.) Problem 1(a) Select v hypothesis tested Problem 1(b) Ss(treetment), SS(error) (numbers correct to 4 decimals) (A) Do not reject Họ sınce 3.4938 56.5415. (B) Reject Họ since 12.2282 > 4.7374. (C) Reject Ho since 13.9751> 4.7374. (D) Do not reject Ho since 3.4938 <4.7374. (E) Reject Ho since 9.3167>4.7374. (F) Reject Họ since 9.3167>65415 (G) Reject Ho since 12.2282 >65415. (H) Reject Ho since 13 9751 >6 5415. Droblem alch Select concusion Just Save Submit Problem 1 for Grading Problem 1 Attemet 2 1(a) 1(b) 1(c) Attempt Attemet e Your Answer 1(a) 1(b) 1(c) 1(b) Your Mark: 1(e) 1(b) (a) 3(b) (b)
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Transcribed Image Text:Problem #1: Strategies for treating hypertensive patients by nonpharmacologie methods are compared by establishing three
groups of hypertensive patients who receive the following types of nonpharmacologic therapy:
Group 1: Patients receive counseling for weight reduction
Group 2: Patients receive counseling for meditation
Group 3: Patients receive no counseling at all
The reduction in diastolic blood pressure is noted in these patients aftera 1-month period and are given in the
table below.
Group 1 Group 2 Group 3
4.2
4.8
4.5
12
2.4
0.3
0.9
2.3
2.5
3.4
(a) What are the appropriate null and alternative hypotheses to test whether or not the mean reduction in diastolic
blood pressure is the same for the three groups?
(b) Find the values of sS(treatment) and SS(error).
(c) What conclusion can you draw about the hypothesis test in (a)? Use a = 05
(A) Họ 41+ 42 4 g. H - for all pairs (,) (B) Ho 41 = #2= H. H 4 H, for at least one pair (1.)
(C) Họ H1- 42= . Hi Hy # #z # H3 (D) Ho: 41=42=43, H ki 4y for all pairs (i.)
(E) Ho - 4 + Hy # Hg. Hị Hi= Hj for at least one pair (i.)
Problem 1(a) Select v hypothesis tested
SS(treatment), SS(error)
(numbers correct to 4 decimals)
Problem 1(b)i
(A) Do not reject Ho since 3.4938 S 6.5415. (B) Reject Ho since 12.2282 >4.7374.
(C) Reject Ho since 13.9751>4.7374. (D) Do not reject Ho since 3.4938 <4.7374.
(E) Reject Ho since 9.3167>4.7374. (F) Reject Họ since 9.3167 >65415
(G) Reject Ho since 12.2282 >65415. (H) Reject Ho since 13 9751 > 6 5415.
Droblem 1c Select conclusion
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1(c)
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1(b)
1(a)
1(b)
1(a)
1(a)
3(b)
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