Question

Please help me answer this question for my Statistical Methods subject. PLEASE answer it seriously and completely, or better not answer it if not then, really appreciate it, thank you.

5 (a) An incomplete result of summarized in the analysis of variance table below. experiment using Latin square design is an Source of Degrees of Sum of Mean Variation Squares Freedom Squares Treatments 7 58.25 Rows 17.25 7 38.25 Columns Error 6.5 Total 7 State the size of the Latin square design. (i) Complete the analysis of variance table. ( (i Test the differences among treatment means. Use a0.05 (50 marks) (b) Samples of students majoring in law and mursing are selected. The amount (RM) each spent on textbooks for the first semester is recorded below. Using the Wilcoxon rank sum test at a 0.10, is there a difference in the amount spent by each group? 199 Law 167 158 162 106 98 206 112 121 133 145 151 Nursing 98 198 209 168 157 126 104 122 111 138 116 201 (50 marks)

Answer 1

5 La) ) Latin squoro Siye clesign the 16 Heam sum t Squay d f squauy LDauiation 8 9615 3 Teatment 74.75 58 25 5.75 RouDs .25 38 25 Calumny 14.35 3 39 6. 5 Total 5 345 5 iy no There Null hypothagis Ho clitteneme beliocam Significamt Bieat ment unoauu There y a Altm native hypotheeis H, Signiticamt clittenemu belioeen Seatment the Faroa d Oo D5 Significaune Level

Eeatment Statstice Meam S m sauaup due bieatmen to es squanep dee Mean sun 58.25 F3,6) S9615 F tabulatad Loaleee fo 4.76 freedlorn (3,6) degas Tejeat So Oe Feal Ftab Ho. signficant the beatmem comelunon Thene a ditteremee belaoe eem

degrecs freedlom t TOLD3 dloge e freedom t8 coleumni 3 dlagre freedom beatmen 3 Becaus al-f t8 breatmenp YoLos cduan Y-3-) Y 3+1 4 degrees t treedbm t8 (T1T-2) 4-12 14-2) 3 x2 6 Degrey d fre.aoorn to total - 4- 16-) 15 Mean stum s Squany Guiven that ip 58 25 18 tieatmemts Sum d 9quauy 58. 2S df Sum quany 58-26 to Breatmemp Squae du Sum 174.75 - 58.25 X 3

tsquaruf du to ous Sum squaej due ows Meas 「キ-25 3 515 Heam Sum Squaup due to calermn ニ Sum e Squau dua to calumu 38- 25 clf 28- 25 3 - 38.20X3 Sun e Squar du to coumny 14.75 Heam Aum o Sqcoouup due to ero b eno 6.5 Summ Squay due t dee to es8 auay Sum - 6-5 X4 39 Sun obSquay T-S.S Total SSE + SSR +Sナ SST 39 17.25+ 114.75 74.7 5 345.75