For a left tailed hypothesis test for a proportion, do you expect the critical value to be a positive value or a negative value, or both positive and negative values?
Select the correct answer below:
The critical value should be a positive value.
The critical value should be a negative value.
The critical values should be both a positive and negative value.
For a left tailed hypothesis test for a proportion, do you expect the critical value to...
Determine the critical value for a left-tailed test regarding a population proportion at the alpha = 0.05 level of significance. Use the correct Table to determine the Z score = ________________.
1. Your hypothesis test for a proportion has a right-tailed critical region. The test statistic is zz = 1.84. Find the p-value accurate to 2 decimal places. p-value = 2. Your hypothesis test for a mean with n = 23 has a left-tailed critical region. The test statistic is tt = -1.4. Find the p-value accurate to 2 decimal places. p-value =
21. Determine the critical value(s) for a left-tailed hypothesis test for a mean with the following characteristics The signifance level of the test is 2.5% The sample size is 71 The population standard deviation (σσ) is known to be 1.3 Should the t or z distribution be used for the above scenario? The critical value(s) for the test are given by?
You are performing a two-tailed test. If α = .004 , find the positive critical value, to three decimal places. zα/2 = You are performing a left-tailed z-test If α=.025, and your test statistic is z=−1.75, do you: Reject Null Hypothesis Fail to Reject Null Hypothesis
How to Find a Critical Z Value LEARNING OBJECTIVE: Calculate a critical z-score for a left-tailed, right-tailed, or two-tailed test. Select the correct statement. a.) The critical z-score for a left-tailed test at a 12% significance level is -0.45. b.) The critical z-score for a right-tailed test at a 9% significance level is 1.34. c.) The critical z-score for a two-sided test at a 4% significance level is 1.75. d.) The critical z-score for a two-sided test at a 20% significance level is 0.85.
The null and alternative hypotheses are given. Determine whether the hypothesis test is left-tailed, right-tailed, or two-tailed. What parameter is being tested? H0: p = 0.3 H1: p < 0.3 What type of test is being conducted in this problem? Two-tailed test Right-tailed test Left-tailed test - Correct Answer What parameter is being tested? Population mean Population standard deviation Population proportion
Determine the critical value for a left-tailed test regarding a population proportion at the a=0 10 level of significance Click here te vew Page of the cumulative standard Normal distribution table. Click here te page cumulative standard Normal distribution table, Round te wo decimal places as needed)
The Critical Value changes as we move from a two-tailed hypothesis test to a one-tailed test. Group of answer choices True False
Find the critical value(s) for a left-tailed z-test with < =0.08. Include a graph with your answer The critical value(s) isſare) (Round to two decimal places as needed. Use a comma to separate answers as needed.) Draw a graph of the rejection region. Choose the correct graph below. ОА. ов. OC. Q OD Q os A To
What is the critical value for a one-tailed hypothesis test in which a null hypothesis is tested at the 5% level of significance based on two samples, both sample sizes are 13? The standard deviations for the samples are 5 and 7. Assume the population standard deviations are unequal. Please explain and show your work. Thank you!