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Given: Sample-1: n1 = 21 X1 = 18.3 s1 = 4.1 Sample-2: n2 = 21 X2 = 14.7 s2 = 4.5 Formula Used:…

Student/PlayerHomework.aspx?homeworkld-628901165&questionid-1&flushed-false&cid-70228498centerwin-yes Statistics to Inform Decisions SUN-Homework-Week 9- 1.3-11.4 e this Question 1.11.3.1 View an example | 6 parts remaining Assume that both populations are normally distributed. a) Test whether , #2 at the a-0.05 level of significance for the given sample data. b) Construct a 95% confidence interval about #₁ #₂ Vie Click the icon to view the Student 1-distribution table. Print KILD Search the web n x S Sample 1 21 18.3 4.1 To find to 025 using the table of Student's t-distribution locate the column for a/2=0.025 and align it with the row for dif-20. Determine the critical value t/2. rounding to three decimal places. ¹/2=2.086 Therefore, the critical values are -2.086 and 2.086. The null hypothesis should be rejected in the test statistic falls within the critical region. The critical region for a two-tailled test includes all values less than -1/2 or greater than 1/2- Elizabeth Nganga 10/22/22 2:15 PM Sample 2 21 14.7 45 Continue X Sample 1 13.3 3.9 Sample 2 2:16 PM 10/22/2022 C

Student/PlayerHomework.aspx?homeworkld-628901165&questionid-1&flushed-false&cid-70228498centerwin-yes Statistics to Inform Decisions SUN-Homework-Week 9- 1.3-11.4 e this Question 1.11.3.1 View an example | 6 parts remaining Assume that both populations are normally distributed. a) Test whether , #2 at the a-0.05 level of significance for the given sample data. b) Construct a 95% confidence interval about #₁ #₂ Vie Click the icon to view the Student 1-distribution table. Print KILD Search the web n x S Sample 1 21 18.3 4.1 To find to 025 using the table of Student's t-distribution locate the column for a/2=0.025 and align it with the row for dif-20. Determine the critical value t/2. rounding to three decimal places. ¹/2=2.086 Therefore, the critical values are -2.086 and 2.086. The null hypothesis should be rejected in the test statistic falls within the critical region. The critical region for a two-tailled test includes all values less than -1/2 or greater than 1/2- Elizabeth Nganga 10/22/22 2:15 PM Sample 2 21 14.7 45 Continue X Sample 1 13.3 3.9 Sample 2 2:16 PM 10/22/2022 C

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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True or False: Given a data set with 9 yearly observations, there are eight 3-year moving averages. O True O False
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A,b,c
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