Test statistic
= 9.209
Option D is correct.
Compute the standardized test statistic to test the claim o? = 30.1 if n= 12, s=...
Compute the standardized test statistic, X. to test the claim o? statistic to the nearest thousandth. 4.3 in 12. s2 -3.6, and a = 0.05. Round the test O A. 18.490 B. 9.209 OC. 0.492 D. 12.961 8. The piston diameter of a certain hand pump is 0.5 inch. The manager determines that the diameters are normally distributed, with a mean of 0.5 inch and a standard deviation of 0.003 inch. After recalibrating the production machine, manager randomly selects 21...
C) Type ß error D) Type I error 43) 43) The dean of a major university claims that the mean number of hours students study at her Unlversity (per day) is at most 3.8 hours. If a hypothesis test is performed, how should you Interpret a decision that fails to reject the null hypothesis? A) There is not sufficient evidence to support the claim u s3.8. B) There is not sufficient evidence to reject the claim ? s38. C) There...
compute the standardized test statistic x2 to test the claim o2=20.4 if n=10, s2=22.5, and a=0.01
distributed Use a t-test to test the claim about the population mean ji at the given level of significance a using the given sample statistics. Assume the population is normally Claim: #26; a=0.10 Sample statistics: X = 26.5, s=4.3, n = 11 What are the null and alternative hypotheses? Choose the correct answer below O A. Ho +26 OB. Ho: 226 H, = 26 H <26 OCH p=26 OD. HY S 26 H, #26 H>26 What is the value of...
Find the standardized test statistic t for a sample with n = 12, x = 14.1, s = 1.3, and α = 0.05 if H0: μ ≥ 15. Round your answer to three decimal places.
Use technology and a t-test to test the claim about the population mean i at the given level of significance at using the given sample statistics. Assume the population is normally distributed Claim: H > 72; « = 0.05 Sample statistics: X = 73.7, 5 = 3.3, n = 26 What are the null and alternative hypotheses? Choose the correct answer below. O A. Ho: 272 OB. Ho: = 72 Hau<72 H:#72 OC. H: 72 OD. Ho: HS72 HA=72 HA...
Use a x-test to test the claim o 2 44 at the a = 0.05 significance level using sample statistics s = 43.1 and n = 21. Assume the population is normally distributed. Click the icon to view the Chi-Square Critical Values Table. Identify the null and alternative hypotheses. O A. Ho: 0544 HA: 0 >44 | 0 C. Ho: 0 < 44 Ha: 0244 OB. Ho: 0244 H: 0<44 O D. Ho: 0>44 H:08 44 Identify the test statistic....
4 ח Test the claim about the population mean, i, at the given level of significance using the given sample statistics. Claim: = 30; a =0.04; 0 = 3.52. Sample statistics: X = 292, n=53 Identify the null and alternative hypotheses. Choose the correct answer below. O A. Ho u = 30 He: > 30 oc. Họ H= 30 H< 30 OE. HO = 30 Hy #30 OB. Ho * 30 H = 30 OD. H: > 30 H, =...
just the answer is fine Use technology and a t-test to test the claim about the population means at the given level of significance or using the given sample statistics. Assume the population is normally distributed. Claim: > 80; a = 0.10 Sample statistics: x=82.5, S = 2.9, n=25 O A. Hou#80 HA 80 C. H: 580 Hu> 80 OB. H: 280 H: <80 OD. H: 80 HA: #80 What is the value of the standardized test statistic? The standardized...
For the given data, (a) find the test statistic, (b) find the standardized test statistic, (c) decide whether the standardized test statistic is in the rejection region, and (d) decide whether you should reject or fail to reject the null hypothesis. The samples are random and independent , a = 0.01. Sample statistics: x = 1235, n 40, x2 = 1195, and n2 = 70. Population statistics: o1 65 and a2 120. Claim: (a) The test statistic for -H2is (b)...