Assume that both populations are normally distributed.(a) Test whether u, # µ, at the a = 0.05 level of significance for the given sample data.Population 1Population 21616(b) Construct a 95% confidence interval about u, - H2.12.911.22.92.8(a) Test whether u, # µ, at the a = 0.05 level of significance for the given sample data.Determine the null and alternative hypothesis for this test.O A. Ho:H1 # H2H1:H1 =H2VB. Ho:H1 =H2H1:H1 # H2O C. Ho:H1 # H2H1:H1> H2O D. Ho:H1 = H2H1:H1 > H2Detemine the P-value for this hypothesis test.P= 0.102 (Round to three decimal places as needed.)Should the null hypothesis be rejected?O A. Do not reject Ho, there is not sufficient evidence to conclude that the two populations have different means.O B. Do not reject Ho, there is sufficient evidence to conclude that the two populations have different means.O C. Reject Ho, there is sufficient evidence to conclude that the two populations have different means.O D. Reject Ho, there is not sufficient evidence to conclude that the two populations have different means.

Answered: Image /qna-images/answer/d6d29a3d-d243-42f4-8597-92caba0e0898.jpg

Answered: Population 2 Assume that both…

MATLAB: An Introduction with Applications

6th Edition

ISBN:9781119256830

Author:Amos Gilat

Publisher:Amos Gilat

Chapter1: Starting With Matlab

Section: Chapter Questions

Problem 1P

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Assume that both populations are normally distributed. a) Test whether . Population 1 Population 2 10 11.1 Pt2 at the a= 0.05 level of significance for the given sample data 10 9.8 2.3 (b) Construct a 95% confidence interval about u, - H3. 2.7 H1 H1 > H2 O C. Ho H1-H2 H1 H1> H2 D. Ho H1=H2 %3D Detemine the P-value for this hypothesis test. P = (Round to three decimal places as needed.) %24
Construct a 90% confidence interval for u, - , with the sample statistics for mean calorie content of two bakeries specialty pies and confidence interval construction formula below Assume the populations are approximately normal with equal variances Bakery A Bakery B X1 = 1823 cal X, = 1629 cal S1 = 155 cal S2 = 190 cal n1 = 10 n2 = 12 Confidence interval when variances are equal n n. (n. - 1) s (n2 - 1) s where G and d.f = n, +n2 - 2 nn, - 2 Enter the endpoints of the interval (Round to the nearest integer as needed.)
Assume that both populations are normally distributed. (a) Test whether H1 #H2 at the a = 0.05 level of significance for the given sample data. (b) Construct a 95% confidence interval about u, - H2. Population 1 Population 2 13 13 14.1 11.8 4.2 3.1 (a) Test whether u, # H, at the a = 0.05 level of significance for the given sample data. Determine the null and alternative hypothesis for this test. O A. Ho:H1 # H2 H1:H1 = H2 O B. Ho:H1 = H2 H1:41 > H2 OC. Ho:H1 H2 H1:H1> H2 D. Ho:H1 = H2 H1:41 # H2 Detemine the P-value for this hypothesis test. P = (Round to three decimal places as needed.)
Use the given statistics to complete parts (a) and (b). Assume that the populations are normally distributed. (a) Test whether u, >uz at the a = 0.05 level of significance for the given sample data. (b) Construct a 99% confidence interval about u1 -P2. Population 2 23 Population 1 22 46.4 41.8 4.3 13.1 (a) Identify the null and alternative hypotheses for this test. O A. Ho: H1 = H2 H1: H1 # H2 O B. Ho: H1 =H2 H1: H1 H2 OF. Ho: H1 > H2 H1: H1 = H2 Find the test statistic for this hypothesis test. (Round to two decimal places as needed.)
Test the claim about the population variance o² at the level of significance α. Assume the population is normally distributed. Claim: o² ≥8.5; α = 0.10 2 Sample statistics: s² = 7.78, n = 25 Write the null and alternative hypotheses. Ho: 0² ≥ 8.5 Ha: 0² < 8.5 (Type integers or decimals. Do not round.) Calculate the standardized test statistic. x² = 21.97 (Round to two decimal places as needed.) Determine the P-value. P-value = (Round to three decimal places as needed.)
Sample 1 Assume that both populations are normally distributed. a) Test whether u, # uz at the a = 0.05 level of significance for the given sample data. b) Construct a 95% confidence interval about u1 - H2. Sample 2 10 10 10.9 8.9 3.1 2.2 E Click the icon to view the Student t-distribution table. Determine tne test statistIC. t= 1.66 (Round to two decimal places as needed.) Determine the critical value(s). Select the correct choice below and fill in the answer box(es) within your choice. (Round to three decimal places as needed.) O A. The critical value is O B. The lower critical value is -2.120. The upper critical value is 2.120. Should the hypothesis be rejected? Do not reject the null hypothesis because the test statistic is not in the critical region. b) Construct a 95% confidence interval about u1 - H2. The confidence interval is the range from to. (Round to two decimal places as needed. Use ascending order.) Enter vour answer in the edit fields and then click Check Answer.
Sample 2 Assume that both populations are normally distributed. a) Test whether H1 # µ2 at the a = 0.05 level of significance for the given sample data. b) Construct a 95% confidence interval about u, - 42. Sample 1 10 10 8.9 2.2 10.9 3.1 E Click the icon to view the Student t-distribution table, O A. Ho: H1 =#2, H1: H1 > H2 OB. Ho: H1 = H2, H1: 41 #H2 O C. Ho: H1 = H2, Hq: µ1
Use the given statistics to complete parts (a) and (b). Assume that the populations are normally distributed. (a) Test whether u1 > H2 at the a = 0.01 level of significance for the given sample data. Population 1 Population 2 24 25 49.6 4.1 (b) Construct a 95% confidence interval about u1 - H2. 45.8 12.7 (a) Identify the null and alternative hypotheses for this test. B. Ho: H1 = H2 H1: H1>H2 O A. Ho: H1 = H2 O C. Ho: H1 + H2 H1: H1 = H2 H1: H1 #H2 O D. Ho: H1 H2 H1: H1 = H2 Find the test statistic for this hypothesis test. (Round to two decimal places as needed.)

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