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.
P value is = 0.0096....................by using Z table or by using Excel command =2*(1-NORMSDIST(2.59))
Two tailed alternative hypothesis.
We are conducting a test of the hypotheses H0: p=0.2 Ha: p≠0.2 We find a test...
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 = 0.7 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.
Consider using a z test to test H0: p = 0.2. Determine the P-value in each of the following situations. (Round your answers to four decimal places.) (a) Ha: p > 0.2, z = 1.46 (b) Ha: p < 0.2, z = −2.77 (c) Ha: p ≠ 0.2, z = −2.77 (d) Ha: p < 0.2, z = 0.25
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...
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
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.)...
ssume that z is the test statistic. (a) H0: μ = 22.5, Ha: μ > 22.5; x = 24.8, σ = 7.3, n = 37 (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 = 192.1, σ = 34, n = 32 (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 = 26.7, σ = 7.4, n = 21 (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 = 192, σ = 35, n = 20 (i) Calculate the test statistic z. (Round your answer to two decimal places.)...
Consider the following hypotheses: H0: μ = 9,100 HA: μ ≠ 9,100 The population is normally distributed with a population standard deviation of 700. Compute the value of the test statistic and the resulting p-value for each of the following sample results. For each sample, determine if you can "reject/do not reject" the null hypothesis at the 10% significance level. (You may find it useful to reference the appropriate table: z table or t table) (Negative values should be indicated...