Mid Term Essay

1498 WordsOct 5, 20146 Pages
Mid-Exam for Statistics 2 for IBA 12 March 2013; duration: two hours It is NOT allowed to use a graphical, programmable calculator; only a simple pocket calculator is allowed. Write the answers to the questions on the attached answering form (on pages 7 and 8); only the answers, no derivations. (For this midterm, only the final answers to each individual question count.) This mid-exam contains 8 pages: 4 pages with information and three exercises, 1 page with a few formulae and 2 pages for filling in your answers (and 1 empty page). Only hand in the two-sided answering form! Do not forget to fill in: your name, ANR and study. Below you may need the following results of the N(0, 1)-distribution, t-distributions,  2 -distributions, and F-distributions: z0.10 = 1.2816; z0.09 = 1.3408; z0.0725 = 1.4574; z0.07 = 1.4758; z0.03 = 1.8808; z0.025 = 1.9600; z0.005 = 2.5758 z0.08 = 1.4051; z0.06 = 1.5548; z0.02 = 2.0537; z0.0775 = 1.4221; z0.0750 = 1.4395; z0.05 = 1.6449; z0.04 = 1.7507; z0.015 = 2.1701; z0.01 = 2.3263;  = 47 degrees of freedom  = 96 df 124 df 125 df 248 df 249 df 335 df 336 df 124 df t0.1 = 1.2998; t0.1 = 1.2904; t0.1 = 1.2884; t0.1 = 1.2883; t0.1 = 1.2850; t0.1 = 1.2849; t0.1 = 1.2841; t0.1 = 1.2840; t0.05 = 1.6779; t0.05 = 1.6609; t0.05 = 1.6572; t0.05 = 1.6571; t0.05 = 1.6510; t0.05 = 1.6510; t0.05 = 1.6494; t0.05 = 1.6494; t0.025 = 2.0117 t0.025 = 1.9850 t0.025 = 1.9793 t0.025 = 1.9791 t0.025 = 1.9696 t0.025 = 1.9695 t0.025 = 1.9671 t0.025 = 1.9670 = 144.561;  02.1 2 0.05 = 104.295;  02.9 2 0.95 = 99.283;   02.025 = 95.070; 125 df 2  0 .1 = 150.989;   02.975 = 156.714; 2  0 .9 = 105.213; = 100.178; = 145.643; = 152.094;  2 0.05  2 0.95  02.025 = 95.946; 124 and 124 df  02.975 = 157.839; 125 and 125 df Always take the closest value! 1 Exercise 1 Given that university

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