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This Test: 101 pts po Test the hypotheses shown below for a random sample with s2...
To test Ho: p= 100 versus Hy: p + 100, a simple random sample size of...
To test Ho: p= 100 versus Hy: p + 100, a simple random sample size of n = 19 is obtained from a population that is known to be normally distributed. Answer parts (a)-(d). Click here to view the t-Distribution Area in Right Tail. (a) If x = 105.4 and s = 9.7, compute the test statistic. t= (Round to three decimal places as needed.) (b) If the researcher decides to test this hypothesis at the a= 0.01 level of...
To test Ho: p= 100 versus Hy: p* 100, a simple random sample size of n...
To test Ho: p= 100 versus Hy: p* 100, a simple random sample size of n = 20 is obtained from a population that is known to be normally distributed. Answer parts (a)-(d). Click here to view the t-Distribution Area in Right Tail. (a) If x = 105.4 and s= 9.1, compute the test statistic. (Round to three decimal places as needed.) ta (b) If the researcher decides to test this hypothesis at the a=0.01 level of significance, determine the...
Use a x-test to test the claim o 2 44 at the a = 0.05 significance...
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....
Use a test to test the claim o? -0.53 at the a0.01 significance level using sample...
Use a test to test the claim o? -0.53 at the a0.01 significance level using sample statistics s' =0.483 and Identify the null and alternative hypotheses. 23. Assume the population is normally distributed O A. Ho: 62 -0.53 He: 02 +0.53 OC. He: 220.53 He: 02 <0.53 O B. Ho: 02 +0.53 H,:o? =0.53 OD. Ho: 0250.53 Hy: OP >0.53 Identify the test statistic. (Round to two decimal places as needed.) Identify the critical value(s). (Round to two decimal places...
To test Ho: σ= 2.4 versus H 1 : σ 12.4, a random sample of size...
To test Ho: σ= 2.4 versus H 1 : σ 12.4, a random sample of size n 21 is obtained from a population that is known to be normally distributed. (a) If the sample standard deviation is determined to be s 1.2, compute the test statistic. x8-D (Round to three decimal places as needed.) (b) If the researcher decides to test this hypothesis at the α 0.05 level of significance, determine the critical values. The critical values are χ2025-Dand 9751...
Sample 2 11 n X Assume that both populations are normally distributed a) Test whether ,...
Sample 2 11 n X Assume that both populations are normally distributed a) Test whether , at the = 0.01 level of significance for the given sample data b) Construct a 50% confidence interval about 4-12 Sample 1 19 5078 21 11.9 Click the icon to view the Student distribution table a) Perform a hypothesis test. Determine the null and alternative hypotheses O A HOM > B. Hy: H2 OB HM, H, H2 + C Họ P = H1 H1...
4 ח Test the claim about the population mean, i, at the given level of significance...
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, =...
A sample of 16 items provides a sample standard deviation of 9.5. Test the following hypotheses...
A sample of 16 items provides a sample standard deviation of 9.5. Test the following hypotheses using a 0.05. What is your conclusion? Ho: o s 50 H,:o? > 50 Use the p-value approach. Find the value of the test statistic. 27.075 Find the p-value. (Round your answer to three decimal places.) p-value = 0.028 State your conclusion O Reject No. We conclude that the population variance is greater than 50 Do not reject No. We conclude that the population...
a through d please To test Ho = 50 versus Hy < 50, a random sample...
a through d please
To test Ho = 50 versus Hy < 50, a random sample of size n=23 is obtained from a population that is known to be normally distributed. Complete parts (a) through (d) below. Click here to view the t-Distribution Area in Right Tail (a) If x = 46 4 and s= 12.9, compute the test statistic. to-(Round to three decimal places as needed) (b) If the researcher decides to test this hypothesis at the a=0.05 level...
Test whether Hy <H2 at the a=0.05 level of significance for the sample data shown in...
Test whether Hy <H2 at the a=0.05 level of significance for the sample data shown in the accompanying table. Assume that the populations are normally distributed. Click the icon to view the data table. Determine the null and alternative hypothesis for this test. Sample Data O A. Ho:P1 = H2 H7:41 +42 OB. Ho:14 42 H1 H1 H2 n Population 1 31 103.5 12.3 Population 2 25 114.5 © C. How * P2 HM1 <H2 OD. Ho H1 H2 H1:21...
To test Ho: p= 100 versus Hy: p + 100, a simple random sample size of n = 19 is obtained from a population that is known to be normally distributed. Answer parts (a)-(d). Click here to view the t-Distribution Area in Right Tail. (a) If x = 105.4 and s = 9.7, compute the test statistic. t= (Round to three decimal places as needed.) (b) If the researcher decides to test this hypothesis at the a= 0.01 level of...
To test Ho: p= 100 versus Hy: p* 100, a simple random sample size of n = 20 is obtained from a population that is known to be normally distributed. Answer parts (a)-(d). Click here to view the t-Distribution Area in Right Tail. (a) If x = 105.4 and s= 9.1, compute the test statistic. (Round to three decimal places as needed.) ta (b) If the researcher decides to test this hypothesis at the a=0.01 level of significance, determine the...
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....
Use a test to test the claim o? -0.53 at the a0.01 significance level using sample statistics s' =0.483 and Identify the null and alternative hypotheses. 23. Assume the population is normally distributed O A. Ho: 62 -0.53 He: 02 +0.53 OC. He: 220.53 He: 02 <0.53 O B. Ho: 02 +0.53 H,:o? =0.53 OD. Ho: 0250.53 Hy: OP >0.53 Identify the test statistic. (Round to two decimal places as needed.) Identify the critical value(s). (Round to two decimal places...
To test Ho: σ= 2.4 versus H 1 : σ 12.4, a random sample of size n 21 is obtained from a population that is known to be normally distributed. (a) If the sample standard deviation is determined to be s 1.2, compute the test statistic. x8-D (Round to three decimal places as needed.) (b) If the researcher decides to test this hypothesis at the α 0.05 level of significance, determine the critical values. The critical values are χ2025-Dand 9751...
Sample 2 11 n X Assume that both populations are normally distributed a) Test whether , at the = 0.01 level of significance for the given sample data b) Construct a 50% confidence interval about 4-12 Sample 1 19 5078 21 11.9 Click the icon to view the Student distribution table a) Perform a hypothesis test. Determine the null and alternative hypotheses O A HOM > B. Hy: H2 OB HM, H, H2 + C Họ P = H1 H1...
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, =...
A sample of 16 items provides a sample standard deviation of 9.5. Test the following hypotheses using a 0.05. What is your conclusion? Ho: o s 50 H,:o? > 50 Use the p-value approach. Find the value of the test statistic. 27.075 Find the p-value. (Round your answer to three decimal places.) p-value = 0.028 State your conclusion O Reject No. We conclude that the population variance is greater than 50 Do not reject No. We conclude that the population...
a through d please
To test Ho = 50 versus Hy < 50, a random sample of size n=23 is obtained from a population that is known to be normally distributed. Complete parts (a) through (d) below. Click here to view the t-Distribution Area in Right Tail (a) If x = 46 4 and s= 12.9, compute the test statistic. to-(Round to three decimal places as needed) (b) If the researcher decides to test this hypothesis at the a=0.05 level...
Test whether Hy <H2 at the a=0.05 level of significance for the sample data shown in the accompanying table. Assume that the populations are normally distributed. Click the icon to view the data table. Determine the null and alternative hypothesis for this test. Sample Data O A. Ho:P1 = H2 H7:41 +42 OB. Ho:14 42 H1 H1 H2 n Population 1 31 103.5 12.3 Population 2 25 114.5 © C. How * P2 HM1 <H2 OD. Ho H1 H2 H1:21...
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