Answer:
b. More information is needed to make a determination about the hypothesis test
Explanation:
For using the confidence interval for testing a hypothesis test, we must know the hypothesized value for the population parameter and type of the hypothesis test whether it is a one tailed or two tailed test. We can use confidence interval only for the prediction of the two tailed test and we cannot use confidence interval for the prediction of the one tailed (lower tailed or upper tailed) test. We do not provide the information for the hypothesized value and type of test, so we cannot take any decision regarding the hypothesis
A student in a statistics course wanted to use confidence intervals to conduct a hypothesis test....
A data set includes data from student evaluations of courses. The summary statistics are nequals 91, x overbar equals4.17, sequals 0.69. Use a 0.10 significance level to test the claim that the population of student course evaluations has a mean equal to 4.25 . Assume that a simple random sample has been selected. Identify the null and alternative hypotheses, test statistic, P-value, and state the final conclusion that addresses the original claim. What are the null and alternative hypotheses? A....
Dr. Hanh hypothesizes that her statistics course will have an impact on student life satisfaction. To test this hypothesis, she collects life satisfaction ratings for all students in the course at the start of the semester and again at the end of the semester. Below are the data. What can Dr. Hanh conclude with an an α of 0.05? start end 82 75 81 91 87 84 91 84 93 90 87 79 a) What is the appropriate test statistic?...
Hypothesis testing and confidence intervals are the most common inferential tools used in statistics. Imagine that you have been tasked with designing an experiment to determine reliably if a patient should be diagnosed with diabetes based on their blood test results. Create a short outline of your experiment, including all of the following: a) A detailed discussion of your experimental design. b) How is randomization used in your sampling or assignment strategy? c) The type of inferential test utilized in...
What was the t-statistic? -5.221 [1 point] What were the confidence intervals? -.846, -.379 [1 point] What was the p-value? 0 [1 point] PASTE YOUR SPSS OUTPUT HERE! [2 points] Paired Samples Test Paired Differences t df Sig. (2-tailed) Mean Std. Deviation Std. Error Mean 95% Confidence Interval of the Difference Lower Upper Pair 1 I like statistics! - Hypothetical posttest data on participants rating of how much they like stats -.612 1.049 .117 -.846 -.379 -5.221 79 .000 4....
37. Use the following information for questions 37-38: Suppose you conduct a hypothesis test to determine whether or not the average age difference between married couples is less than 5 years. You conduct this test at the 0.10 significance level and come to the conclusion that 0.01 < p-value < 0.02. What is the correct decision? a. Fail to Reject the Null Hypothesis b. Reject the Null Hypothesis c. Accept the Null Hypothesis d. Accept the Alternative Hypothesis
find the test statistic for this hypothesis test . determine the p value for this hypothesis test The 95% confidence interval will make the lower bound _____ and the upper bound ____ AT-240-T2817 Applied Statistics 19EW2 omework: 5-2 MyStatLab: Module Five Pr core: 0 of 5 pts X 11.3.3-T Use the given statistics to complete parts (a) and (b). Assume that the populations are normally distributed. (a) Test whether p H at the c = 0.01 level of significance for...
Is there a relationship between confidence intervals and two-tailed hypothesis tests? Let c be the level of confidence used to construct a confidence interval from sample data. Let α be the level of significance for a two-tailed hypothesis test. The following statement applies to hypothesis tests of the mean. For a two-tailed hypothesis test with level of significance α and null hypothesis H0: μ = k, we reject H0 whenever k falls outside the c = 1 − α confidence...
Trying to determine whether a six-sided die is fair, you hire a statistics student to throw the die 1,000 times and record the outcomes. You calculate the 95% confidence interval for the proportion of 6s to be (0.197, 0.223). From this result, you can conclude Group of answer choices You can reject the null hypothesis, since 1/6 is not in the confidence interval You can reject the null hypothesis, since 1/2 is not in the confidence interval You can fail...
Use the given statistics to complete parts (a) and (b). Assume that the populations are normally distributed. Population 1 Population 2 n 26 16 x 49.8 40.1 s 6.8 13.2 (a) Test whether μ1 > μ2 at the α = 0.01 level of significance for the given sample data. (b) Construct a 90% confidence interval about μ1 − μ2 . (a) Identify the null and alternative hypotheses for this test. A. H0 : μ1 ≠...
You conduct a hypothesis test for the population mean. After you calculate the t test statistic, you find that your p-value = 0.04. Using alpha (a) = 0.01 level of significance, what is your decision regarding the null hypothesis? (either reject Ho and accept Ha, or fail to reject Ho)