We are conducting a test of the hypotheses H0: p = 0.28 Ha: p ≠ 0.28 We find a test statistic of z = -1.45. What is the corresponding p-value? Give your answer as a proportion between 0 and 1 to 4 decimal places.
We are conducting a test of the hypotheses H0: p = 0.28 Ha: p ≠ 0.28...
We are conducting a test of the hypotheses H0: p = 0.7 Ha: p ≠ 0.7 We find a test statistic of z = -2.08. What is the corresponding p-value? Give your answer as a proportion between 0 and 1 to 4 decimal places.
We are conducting a test of the hypotheses H0: p=0.2 Ha: p≠0.2 We find a test statistic of Z=2.59. What is the corresponding p-value? Round your answer to 4 decimal places.
Calculate the p-value for a hypothesis test of a proportion. The hypotheses are H0: p=.2, H1: p≠.2, and the test statistic is z = -2.36. Use the normal distribution to calculate the p-value. Round your answer to 4 decimal places
Consider the following competing hypotheses: H0: ρxy = 0 HA: ρxy ≠ 0 The sample consists of 27 observations and the sample correlation coefficient is 0.38. [You may find it useful to reference the t table.] a-1. Calculate the value of the test statistic. (Round intermediate calculations to at least 4 decimal places and final answer to 3 decimal places.) TEST STATISTIC: ________ a-2. Find the p-value. 0.02 p-value < 0.05 0.01 p-value < 0.02 p-value < 0.01 p-value 0.10...
Consider the following competing hypotheses: H0: ρxy ≥ 0 HA: ρxy < 0 The sample consists of 34 observations and the sample correlation coefficient is –0.39. Use Table 2. a. Calculate the value of the test statistic. (Negative value should be indicated by a minus sign. Round intermediate calculations to at least 4 decimal places and final answer to 2 decimal places.) Test statistic b. Approximate the p-value. 0.01 < p-value < 0.025 p-value < 0.005 0.05 < p-value <...
Consider the following competing hypotheses: H0: ρxy ≥ 0 HA: ρxy < 0 The sample consists of 30 observations and the sample correlation coefficient is –0.46. Use Table 2. a. Calculate the value of the test statistic. (Negative value should be indicated by a minus sign. Round intermediate calculations to at least 4 decimal places and final answer to 2 decimal places.) Test statistic b. Approximate the p-value. 0.005 < p-value < 0.01 p-value < 0.005 0.01 < p-value <...
The two-way table shows sample results and hypotheses are given for a test for a difference in the proportion saying yes between the two groups. Test H0 : p1=p2 vs Ha : p1>p2 using the results: Yes No Total Group 1 128 72 200 Group 2 55 45 100 Total 183 117 300 Find the value of the standardized z-test statistic and then use the standard normal distribution to find the p-value. Round your answers to three decimal places....
We are interested in testing the following hypotheses. H0: P1- P2 ³ 0, Ha: P1- P2 < 0. The test statistic Z is computed to be 0.58. The p-value for this test is A. 0.2810 B. 0.7190 C. 0.5620 D. 0.5800
Assume that z is the test statistic. (a) H0: μ = 22.5, Ha: μ > 22.5; x = 25.8, σ = 6.2, n = 36 (i) Calculate the test statistic z. (Round your answer to two decimal places.) (ii) Calculate the p-value. (Round your answer to four decimal places.) (b) H0: μ = 200, Ha: μ < 200; x = 191.1, σ = 33, n = 27 (i) Calculate the test statistic z. (Round your answer to two decimal places.)...
Assume that z is the test statistic. (a) H0: μ = 22.5, Ha: μ > 22.5; x = 25.9, σ = 7.4, n = 33 (i) Calculate the test statistic z. (Round your answer to two decimal places.) (ii) Calculate the p-value. (Round your answer to four decimal places.) (b) H0: μ = 200, Ha: μ < 200; x = 193.8, σ = 35, n = 36 (i) Calculate the test statistic z. (Round your answer to two decimal places.)...