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#1 part A.) To test H0: μ=100 versus H1: μ≠100, a random sample of size n=20...
#1 part A.) To test H0: μ=100 versus H1: μ≠100, a random sample of size n=20 is obtained from a population that is known to be normally distributed. Complete parts (a) through (d) below. (aa.) If x̅=104.4 and s=9.4, compute the test statistic. t0 = __________ (bb.) If the researcher decides to test this hypothesis at the α=0.01 level of significance, determine the critical value(s). Although technology or a t-distribution table can be used to find the critical value, in...
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...
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...
1. Ho: μ-100 versus H1: μ # 100, a simple random sample of size n 23...
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 a r-distribution that depicts the critical region. (e) Construct a 99% confidence interval to test the...
please explain how you determine which error it is as well A test of Ho: μ-51...
please explain how you determine which error it is as well
A test of Ho: μ-51 versus HI : μメ51 is performed using a significance level of α-0.01. The value of the test statistic is z 2.34. Part 1 of 3 Determine whether to reject Ho Y in the critical region, we ireject Since the test statistics 1 Ho at the α-0.01 level. Part 2 of 3 If the true value of u is 51, is the result a Type...
= 20 versus H,: <20. A sample of size n=52 is drawn, and x = 18....
= 20 versus H,: <20. A sample of size n=52 is drawn, and x = 18. The population standard deviation A test is made of H: is o=6 (a) Compute the value of the test statistic Z. (b) is Ho rejected at the a=0.05 level? (c) Is H, rejected at the a=0.01 level?
In order to conduct a hypothesis test for the population mean, a random sample of 20...
In order to conduct a hypothesis test for the population mean, a random sample of 20 observations is drawn from a normally distributed population. The resulting sample mean and sample standard deviation are calculated as 12.9 and 2.4, respectively. (You may find it useful to reference the appropriate table: z table or ttable). Ho : μ 12.1 against HA: μ > 12.1 a-1. Calculate the value of the test statistic. (Round all intermediate calculations to at least 4 decimal places...
help please !! To test Ho: 0 = 2.3 versus H: > 2.3, a random sample...
help please !!
To test Ho: 0 = 2.3 versus H: > 2.3, a random sample of size n=20 is obtained from a population that is known to be normally distributed. (a) If the sample standard deviation is determined to be s 3.1. compute the test statistic (b) of the researcher decides to test this hypothesis at the a= 0.05 level of significance, use technology to determine the P-value. (c) Will the researcher reject the null hypothesis? (a) The test...
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...
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: 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...
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...
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 a r-distribution that depicts the critical region. (e) Construct a 99% confidence interval to test the...
please explain how you determine which error it is as well
A test of Ho: μ-51 versus HI : μメ51 is performed using a significance level of α-0.01. The value of the test statistic is z 2.34. Part 1 of 3 Determine whether to reject Ho Y in the critical region, we ireject Since the test statistics 1 Ho at the α-0.01 level. Part 2 of 3 If the true value of u is 51, is the result a Type...
= 20 versus H,: <20. A sample of size n=52 is drawn, and x = 18. The population standard deviation A test is made of H: is o=6 (a) Compute the value of the test statistic Z. (b) is Ho rejected at the a=0.05 level? (c) Is H, rejected at the a=0.01 level?
In order to conduct a hypothesis test for the population mean, a random sample of 20 observations is drawn from a normally distributed population. The resulting sample mean and sample standard deviation are calculated as 12.9 and 2.4, respectively. (You may find it useful to reference the appropriate table: z table or ttable). Ho : μ 12.1 against HA: μ > 12.1 a-1. Calculate the value of the test statistic. (Round all intermediate calculations to at least 4 decimal places...
help please !!
To test Ho: 0 = 2.3 versus H: > 2.3, a random sample of size n=20 is obtained from a population that is known to be normally distributed. (a) If the sample standard deviation is determined to be s 3.1. compute the test statistic (b) of the researcher decides to test this hypothesis at the a= 0.05 level of significance, use technology to determine the P-value. (c) Will the researcher reject the null hypothesis? (a) The test...
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...
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...
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