Given the information, determine if the critical region is left tailed, right tailed, or two tailed. Ha: μ < 22, α- 0.01 %3D
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- With a = .01, the two-tailed critical region for a t test using a sample of n = 16 subjects would have boundaries of ?Calculate degrees of freedom and locate the critical region for each of the three tests. Use alpha = .05. A) Test 1: Fcritical1 = B) Test 2: Fcritical2 = C) Test 3: Fcritical3 =With α = .01, the two-tailed critical region for a t test using a sample of n = 16 subjects would have boundaries of
- With ? = .01, what are the boundaries for two-tailed critical region with a sample of n = 20 subjects? a) t = ±2.539 b) t = ±2.861 c) t = ±2.528 d) t = ±2.845The results of an independent-measures research study are reported as "t(20) = 2.12, p < .05, two tails." For this study, what t values formed the boundaries for the critical region?Find the t values that form the boundaries of a critical region in the right-hand tail of one tailed test with (x = 0.01 for each of the following samples sizes. a) n = 10 b) n= 20 c) n= 30
- using the z table (table e), find the critical value (or values) for each. a. alpha=0.10, two tailed test b. alpha=0.01, right tailed test c. aplha=0.005, left tailed testConduct an indepndent- measures t-test using the following data set: Group 1: 12 10 15 12 4 16 6 10 8 Group 2: 8 5 9 0 6 5 0 1 Determine the critical values (for an alpha of .05) that you should use to evaluate this t-scoreThe betas are chosen so as to minimize: a. Errors b. SSR c. PMP d. Bias e. Noise
- Using the z table, find the critical region (or regions) for each. a. α = 0.015, two-tailed test b. α = 0.025, left-tailed testSample data on weekly sales of two dairy products, X and Y were reported as follows: Lilongwe dairy, X 120 100 160 250 180 130 300 40 Long life, Y 70 86 67 100 45 80 90 95 a. Apply the CV, and find out which of the 2 products shows greater fluctuations in sales.The data given is shown below 40 40 43 46 44 49 51 54 46 51 47 49 49 45 45 44 45 41 49 52 51 54 50 51 41 52 53 50 46 56 42 42 40 42 49 47 51 48 46 57 48 55 49 46 57 44 49 43 44 43 51 48 48 46 49 Class width = 6 Find the following: A. Decile (5th) B. Quartile (2nd) C. Skewness D. Kurtosis