Please explain with steps how you found the answer
Homework Answers
Answer b)
Confidence interval helps us to test the hypothesis by calculating a interval for which we can accept the values of betas. So if beta = c and if it belong to the interval then we can conclude that this hypothesis is acceptable.
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Please explain with steps how you found the answer |The null hypothesis Ho: Bk = c against H1: Bk # c, will be accepted...
12. Consider a statistical inference that test the null hypothesis be Ho: c against H : esuch that c is a positive...
12. Consider a statistical inference that test the null hypothesis be Ho: c against H : esuch that c is a positive value. The test statistic associated with this mull hypothesis is given by t(b-c)/se(b) At significance level a, the test statistic is smaller than the critical value te(a/2, N - 2), that is iste(a/2, N- 2). Mark the correct alternative: (a) The test p-value increases if we increase c. (b) c does not belong to the estimated confidence interval...
1. Consider the hypothesis test Ho: u1=p2 against H1: u 17 M2. Suppose that sample sizes...
1. Consider the hypothesis test Ho: u1=p2 against H1: u 17 M2. Suppose that sample sizes are n1 = 13, n2 = 10 x1=4.7, x2 =6.8, s1= 2 and s2 =2.5. Assume that the data are randomly drawn from two independent Normal distributions (a) Confirm that it is reasonable to assume 01 2 = 022 by completing the steps i. through v. below. Use a = 0.05. HO: 01 2 = 02 20:01 2 * 022 i. Test Statistic ii....
A. B. Please follow the steps of hypothesis testing, including identifying the alternative and null hypothesis,...
A.
B.
Please follow the steps of hypothesis testing, including
identifying the alternative and null hypothesis, calculating the
test statistic, finding the p-value, and making a conclusions about
the null hypothesis and a final conclusion that addresses the
original claim. Use a significance level of 0.10. Is the conclusion
affected by whether the significance level is 0.10 or 0.01?
Test Statistic=______ (Round to two decimal places)
P-Value=______ (Round to three decimal places)
Answer choices below:
a) Yes, the conclusion is...
N(0,02). We wish to use a 1. [18 marks] Suppose X hypothesis single value X = x to test the null Ho : 0 = 1 against the...
N(0,02). We wish to use a 1. [18 marks] Suppose X hypothesis single value X = x to test the null Ho : 0 = 1 against the alternative hypothesis H1 0 2 Denote by C aat the critical region of a test at the significance level of : α-0.05. (f [2 marks] Show that the test is also the uniformly most powerful (UMP) test when the alternative hypothesis is replaced with H1 0 > 1 (g) [2 marks Show...
49. The p-value for a two-sided hypothesis test of the null hypothesis Ho: μ = 12...
49. The p-value for a two-sided hypothesis test of the null hypothesis Ho: μ = 12 is 0.07. Which of the following confidence intervals would include the value 12? 1. 90% Confidence Interval 2. 95% Confidence Interval 3. 99% Confidence Interval a. 1 and 2 b. 2 and 3 c. 1 only d. 1, 2, and 3 e. Impossible to Determine
1. Ho: μ 100 versus H1: μ # 100, a simple random sample of size n...
1. Ho: μ 100 versus H1: μ # 100, a simple random sample of size n 23 To test is obtained from a population that is known to be normally distributed: (a) If 104.8 and s-9.2, compute the test statistic. (b) If the researcher decides to test this hypothesis at the a 0.01 level of significance, determine the critical values. (c) Draw ar-distribution that depicts the critical region. (d) Will the researcher reject the null hypothesis? Why? Then state the...
Test the given claim. Identify the null hypothesis, alternative hypothesis, test statistic, P-value, and then state...
Test the given claim. Identify the null hypothesis, alternative hypothesis, test statistic, P-value, and then state the conclusion about the null hypothesis, as well as the final conclusion that addresses the original claim. Among 2142 passenger cars in a particular region, 249 had only rear license plates. Among 332 commercial trucks, 49 had only rear license plates. A reasonable hypothesis is that commercial trucks owners violate laws requiring front license plates at a higher rate than owners of passenger cars....
Consider the hypothesis test Ho: 41-42 = 0 against H1: H1-H2 + 0 samples below: I...
Consider the hypothesis test Ho: 41-42 = 0 against H1: H1-H2 + 0 samples below: I 36 38 32 32 33 30 31 29393830373730 3930 34 40 II 32 3035 32 31 29 30 3731 34 30 30 30 32 33 34 Variances: 01 - 3.9, 02 = 2.4. Use a = 0.05. (a) Test the hypothesis and find the P-value. Find the test statistic. Round your answers to four decimal places (e.g. 98.7654). 2.0877 P-value = 0.0368 (b) Explain...
Test the given claim. Identify the null hypothesis, alternative hypothesis, test statistic, P-value, and then state...
Test the given claim. Identify the null hypothesis, alternative hypothesis, test statistic, P-value, and then state the conclusion about the null hypothesis, as well as the final conclusion that addresses the original claim. Among 2135 passenger cars in a particular region, 241 had only rear license plates. Among 391 commercial trucks, 59 had only rear license plates. A reasonable hypothesis is that commercial trucks owners violate laws requiring front license plates at a higher rate than owners of passenger cars....
please answer both with an explanation (14) For testing Ho : µ1 = µ2 versus H1...
please answer both with an explanation
(14) For testing Ho : µ1 = µ2 versus H1 : µ1 # µ2, a completely randomized design used two indpendent samples of sizes n = m = 10 and obtained t-statistics = -2.87. If the assumption of equal but unknown population variances is justified, what is the p-value? The following "answers" have been proposed. (a) Approximately 0.005 (b) Approximately 0.01 (c) Approximately 0.025 (d) Approximately 0.05 (e) None of the above. The correct...
12. Consider a statistical inference that test the null hypothesis be Ho: c against H : esuch that c is a positive value. The test statistic associated with this mull hypothesis is given by t(b-c)/se(b) At significance level a, the test statistic is smaller than the critical value te(a/2, N - 2), that is iste(a/2, N- 2). Mark the correct alternative: (a) The test p-value increases if we increase c. (b) c does not belong to the estimated confidence interval...
1. Consider the hypothesis test Ho: u1=p2 against H1: u 17 M2. Suppose that sample sizes are n1 = 13, n2 = 10 x1=4.7, x2 =6.8, s1= 2 and s2 =2.5. Assume that the data are randomly drawn from two independent Normal distributions (a) Confirm that it is reasonable to assume 01 2 = 022 by completing the steps i. through v. below. Use a = 0.05. HO: 01 2 = 02 20:01 2 * 022 i. Test Statistic ii....
A.
B.
Please follow the steps of hypothesis testing, including
identifying the alternative and null hypothesis, calculating the
test statistic, finding the p-value, and making a conclusions about
the null hypothesis and a final conclusion that addresses the
original claim. Use a significance level of 0.10. Is the conclusion
affected by whether the significance level is 0.10 or 0.01?
Test Statistic=______ (Round to two decimal places)
P-Value=______ (Round to three decimal places)
Answer choices below:
a) Yes, the conclusion is...
N(0,02). We wish to use a 1. [18 marks] Suppose X hypothesis single value X = x to test the null Ho : 0 = 1 against the alternative hypothesis H1 0 2 Denote by C aat the critical region of a test at the significance level of : α-0.05. (f [2 marks] Show that the test is also the uniformly most powerful (UMP) test when the alternative hypothesis is replaced with H1 0 > 1 (g) [2 marks Show...
1. Ho: μ 100 versus H1: μ # 100, a simple random sample of size n 23 To test is obtained from a population that is known to be normally distributed: (a) If 104.8 and s-9.2, compute the test statistic. (b) If the researcher decides to test this hypothesis at the a 0.01 level of significance, determine the critical values. (c) Draw ar-distribution that depicts the critical region. (d) Will the researcher reject the null hypothesis? Why? Then state the...
Consider the hypothesis test Ho: 41-42 = 0 against H1: H1-H2 + 0 samples below: I 36 38 32 32 33 30 31 29393830373730 3930 34 40 II 32 3035 32 31 29 30 3731 34 30 30 30 32 33 34 Variances: 01 - 3.9, 02 = 2.4. Use a = 0.05. (a) Test the hypothesis and find the P-value. Find the test statistic. Round your answers to four decimal places (e.g. 98.7654). 2.0877 P-value = 0.0368 (b) Explain...
Test the given claim. Identify the null hypothesis, alternative hypothesis, test statistic, P-value, and then state the conclusion about the null hypothesis, as well as the final conclusion that addresses the original claim. Among 2135 passenger cars in a particular region, 241 had only rear license plates. Among 391 commercial trucks, 59 had only rear license plates. A reasonable hypothesis is that commercial trucks owners violate laws requiring front license plates at a higher rate than owners of passenger cars....
please answer both with an explanation
(14) For testing Ho : µ1 = µ2 versus H1 : µ1 # µ2, a completely randomized design used two indpendent samples of sizes n = m = 10 and obtained t-statistics = -2.87. If the assumption of equal but unknown population variances is justified, what is the p-value? The following "answers" have been proposed. (a) Approximately 0.005 (b) Approximately 0.01 (c) Approximately 0.025 (d) Approximately 0.05 (e) None of the above. The correct...
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