alpha = 0.05 level, Compute the test statistics: alpha = 0.05 level, determine the appropriate technique (test): alpha = 0.05 level, determine the critical value: alpha = 0.05 level, what is the decision? (reject Ho or do not reject Ho)
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- alpha = 0.05 level, Compute the test statistics:
- alpha = 0.05 level, determine the appropriate technique (test):
- alpha = 0.05 level, determine the critical value:
- alpha = 0.05 level, what is the decision? (reject Ho or do not reject Ho)
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- Find the value of the test statistic z using z =The claim is that the proportion of drowning deaths of children attributable to beaches is more than 0.25, and the sample statistics include n = 681 drowning deaths ofchildren with 30% of them attributable to beaches.2.853.01P-PPqn2.856.Findthevalueoftheteststatisticzusingz=Theclaimisthattheproportionofdrowningdeathsofchildrenattributabletobeachesismorethan0.25,andthesamplestatisticsincluden=681drowningdeathsofchildrenwith30%ofthemattributabletobeaches.2.853.01P-PPqn2.85Find the critical value(s) and rejection region(s) for the indicated t-test, level of significance a, and sample size n. Right-tailed test, α = 0.005, n = 24 Click the icon to view the t-distribution table. The critical value(s) is/are 2.807 (Round to the nearest thousandth as needed. Use a comma to separate answers as needed.) Determine the rejection region(s). Select the correct choice below and fill in the answer box(es) within your choice. (Round to the nearest thousandth as needed.) A. O C. t> t-Distribution Table d.f. 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 . Level of confidence, c One tail, a Two tails, a 0.99 0.005 0.01 63.657 6.965 9.925 4.541 5.841 4.604 4.032 5 3.707 6 3.499 7 3.355 3.250 3.169 3.106 0.80 0.90 0.95 0.98 0.10 0.05 0.025 0.01 0.20 0.10 0.05 0.02 3.078 6.314 12.706 31.821 1.886 2.920 4.303 1.638 2.353 3.182 1.533 2.132 2.776 3.747 1.476 2.015 2.571 3.365 1.440 1.943 2.447 3.143 1.415 1.895 2.365 2.998 1.397…Test the claim about the population mean, μ, the given level of significance using the given sample statistics. Claim: μ≠6000; α=0.08; σ=399. Sample statistics: x=6300, n=37 Determine the critical value(s). Select the correct choice below and fill in the answer box to complete your choice. A. The critical value is B.The critical values are ±
- Nonparametric: A small study is conducted to compare birth weight in babies born to mothers who do not smoke to those that smoke more than ½ pack/day. Is there a significant difference between birth weights due to maternal smoking status? Use the Mann-Whitney U test with a 5% level of significance. What is U1 (non-smokers)? Birth weights of infants in two groups of mothers. (Observed data) Nonsmokers Heavy Smokers (≥1/2 pack/day) 8.6 7.0 8.5 5.2 6.3 6.1 9.3 6.7 8.0 6.6 6.8 7.4 4.9 6.3Find the critical value(s) and rejection region(s) for the indicated t-test, level of significance a, and sample size n. Two-tailed test, a= 0.01, n316 Click the icon to view the t-distribution table. The critical value(s) is/are. (Round to the nearest thousandth as needed. Use a comma to separate answers as needed.)A company that has a 10% market share (they sell their product to 10% of all potential buyers) launches a marketing campaign. At the end of the campaign period, the company conducts a survey in order to assess whether its market share has increased. The result of the survey issued to 500 customers was 12.5%.h0= p=0.10, h1= p>0.10test statistic= 1.86P value= 0.0314 a. State your conclusion using ΅ = 0.05.b. What would be the potential Type I and Type II errors in this problem? Explain these possible errors in context.
- Using the z table, find the critical value (or values) for an α = .09 two-tailed test.Use the given information to find the critical values and . (Use technology or the attached Chi-Square table.) Platelet Counts of Women 80% confidence n=26 s=65.3Researchers collected data on the numbers of hospital admissions resulting from motor vehicle crashes, and results are given below for Fridays on the 6th of a month and Fridays on the following 13th of the same month. Use a 0.05 significance level to test the claim that when the 13th day of a month falls on a Friday, the numbers of hospital admissions from motor vehicle crashes are not affected. Friday the 6th: Friday the 13th: 6. 10 10 13 11 13 9. 11 What are the hypotheses for this test?
