df = n1 + n2 -2
= 14 + 12 - 2
= 24
t critical values at 0.05 level with 24 df = 2.064
Find the critical values, to to test the claim that μι-u2 Two samples are rando given...
Find the critical values, t0, to test the claim that μ1 = μ2. Two samples are random, independent, and come from populations that are normal. The sample statistics are given below. Assume that σ 2 1 ≠ σ 2 2 . Use α = 0.05. n1 = 32 n2 = 30 x1 = 16 x2 = 14 s1 = 1.5 s2 = 1.9
12. Test the claim that ul = u2. Two samples are randomly selected and come from populations that are normal. The sample statistics are given below. Assume that o2 equal o"2 (2). Use a = 0.05. nl=25 xbarl-30 .s1= 1.5 n2-30 xbar2-28 s2=1.9
Find the critical value to test the claim that μ1 < μ2. Two samples are random, independent, and come from populations that are normal. The sample statistics are given below. Assume that σ 2/1= σ2/2. Use α = 0.05. n1 = 15 n2 = 15 x1 = 25.74 x2 = 28.29 s1 = 2.9 s2 = 2.8
Find the standardized test statistic, t, to test the claim that u, u. Two samples are randomly selected and come from 02 populations that are normal. The sample statistics are given below. Assume that o n1-25, n2 30, x, 17 , x2 15, s1 1.5, s2 1.9 O A. 4.361 B. 3.287 C. 1.986 D. 2.892
Find the standardized test statistic to test the claim that μ1 < μ2. Two samples are random, independent, and come from populations that are normally distributed. The sample statistics are given below. Assume that σ 2 /1 = σ 2 /2 . n1 = 15 n2 = 13 x1 = 27.88 x2 = 30.43 s1 = 2.9 s2 = 2.8
Find the standardized test statistic to test the claim that μ1 ≠ μ2. Two samples are random, independent, and come from populations that are normally distributed. The sample statistics are given below. Assume that σ 2 /1 ≠ σ 2 /2 . n1 = 11 n2 = 18 x1 = 6.9 x2 = 7.3 s1 = 0.76 s2 = 0.51
(1 point) Test the claim that the two samples described below come from populations with the same mean. Assume that the samples are independent simple random samples. Use a significance level of a = 0.05 Sample 1: n = 6, 11 = 25, $1 = 5.29 Sample 2: n2 = 17, I2 = 21.1, S2 = 5.84 (a) The degree of freedom is (b) The test statistic is (c) The final conclusion is A. We can reject the null hypothesis...
Test the claim about the difference between the two population means µ1 and µ2 at the level of significance α. Important! Please remember to include all 5 parts of a hypothesis test mentioned in the module summary. Assume the samples are random and independent, and the populations are normally distributed. Exercise 5. Claim: /142; a = 0.05. Assume o o%. Sample statistics: = 97.6, s1 = 5.8, n1 = 33, T2 = 94.1,82 = 6.5, and n2 = 28 Exercise...
Find the critical value, t 0 t0, to test the claim that mu 1 μ1 not equals ≠ mu 2 μ2. Two samples are randomly selected and come from populations that are normal. The sample statistics are given below. Assume that sigma Subscript 1 Superscript 2 σ21 not equals ≠ sigma Subscript 2 Superscript 2 σ22. Use alpha equals 0.02 . Use α=0.02. n 1 n1 equals =11, n 2 n2 equals =18, x overbar 1 x1 equals = 8.6...
(1 point) Test the claim that the two samples described below come from populations with the same mean. Assume that the samples are independent simple random samples. Sample 1: n1 = 18, X1 = 20, $i = 5. Sample 2: n2 = 30, L2 = 15, S2 = 5. (a) The test statistic is (b) Find the t critical value for a significance level of 0.025 for an alternative hypothesis that the first population has a larger mean (one-sided test)....