In a one-tailed test, in which critical values below will the computed z of 2.312 falls in the non-rejection region? (choose the letter of the correct answer and show computation) A. 1.383 B. 1.533 C. 2.228 D. 2.354
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In a one-tailed test, in which critical values below will the computed z of 2.312 falls in the non-rejection region? (choose the letter of the correct answer and show computation)
A. 1.383
B. 1.533
C. 2.228
D. 2.354
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- In a test of H0: p = .43 versus Ha: p ≠ .43, a sample of size 1500 leads to a p-value of 0.087. Which of the following must be true if a = 0.05? A. The Ho should be rejected at the 5% level B. The Ho should fail to be rejected at the 5% level C. The Ho should be accepted at the 5% levelA researcher obtains t=2.25 for a repeated measures study using a sample of n=10 participants. Based on this t value, what is the correct decision for a two- tail test at .05 and .01 alpha level?The test statistic of z = 1.42 is obtained when testing the claim that p>0.1. A.identify the phyothesis test as being two-tailed, left-tailed, or right-tailed. B.find the p-value. C. Using a significance level of o=0.05, should we reject H0 or should we fail to reject H0?
- In a hypothesis test with hypotheses Ho: μ ≤ 54 and H1: μ > 54, a random sample of 24 elements selected from the population produced a mean of 58.6 and a standard deviation of 13.4. The test is to be made at the 10% significance level. Assume the population is normally distributed. What is the critical value of t ?Choose the letter of the correct answer. 1. In one tailed test, in which critical values below will the computed z of 2.312 falls in the non rejection region? A. 1.383 B. 1.533 C. 2.228 D. 2.354For a one-tailed test (lower tail) with n = 10 at 90% confidence (i.e. α = 0.10), the appropriate tα (critical value) is a. -1.383 b. 2.821 c. 1.383 d. -2.821
- A test of H0H0:μ=1:μ=1 against HaHa:μ>1:μ>1 has test statistic zz = 1.74. Answer "Yes/Y" or "No/N" to the following questions. Is this test significant at the 2.5% level (αα = 0.025)? Is it significant at the 0.5% level (αα = 0.005)?With α = .05, what is the critical t value for a one-tailed test with n = 25? t = 2.064 t = 1.711 t = 2.060 t = 2.708