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3.4.29 Compute the z-scores for all the shudents Complete the table r-score Student Student 1 Student 6 Shudent 7 Student 2 Student 9 Student 4 Student 5 (Round to the nearest hnredth as needed) Student 3 Student 4 6 5
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Sol: Given doto ttee the dada. veprekentt puue satea of nine studenta StudentPutse 3 4 5 8o 68 Now, ㈧e findout the : . Mean and Slanchid deuaion of these z-scores :- And Computed Z- ScoYe fotu Students. To Findそ-score of at 3hudent, stwe have to And mean and %tandara deviction . No of Studentl = 65019 Nooo, standard deviation, σΊ Σ (xì_x Bo22)2 14-2 캬6+149.32+149.32+ Go 524 06084 t 60. 5a t 6057 t 1구-8084+0.6084여 σ = 45구·05.5 .. Standord deviahion ().5534 Now, Z-score я of 8tudent:- at Z-scores Table :- Student : 76-10- c 0.500 4.5534 (G0-.2)/.5531618 E (6o-Ta 22)/.553-618 - (8o-aa)/7-533:t-030q - (80-t2-22)/7.533 t 030 3 (83-72.22) 17533: 0.6089 5 682533 0 50084 -scoYex ane : 0-500,-1-618, --618, -o 3oy, 0-60Bi, (-030, 1030, -o. 560, -0 6084 Mean of Z-Score :.Mean ()0-50-1-618-1-618+ 030to 608 410304 1030-056-t0-60 t, 00419.81539 1.04 マーsco, eo, 1.04 Standad deviation of

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