Homework Answers
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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...
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...
#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: 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...
105, a simple random sarnple of size n = 25 is To test Ho : μ...
105, a simple random sarnple of size n = 25 is To test Ho : μ = 105 versus H1 : μ obtained (a) Ifx 101.9 and s 5.9, compute the test statistic. (b) Draw a t-distribution with the area that represents the p-value shaded. (c) Approximate and interpret the p-value. (d) If the researcher decides to test this hypothesis at the α 0.01 level of significance, will the researcher reject the null hypothesis? Why?
To test Ho: σ=4.6 versus H1: σ≠4.6, a random sample of size n=11 is obtained from...
To test Ho: σ=4.6 versus H1: σ≠4.6, a random sample of size n=11 is obtained from a population that is known to be normally distributed. (a) If the sample standard deviation is determined to be s=5.6, compute the test statistic. (b) If the researcher decides to test this hypothesis at the α=0.01 level of significance, use technology to determine the P-value. (c) Will the researcher reject the null hypothesis?
3. (25 points) To test Ho: σ 0.35 versus H1: σ < 0.35, a random sample...
3. (25 points) To test Ho: σ 0.35 versus H1: σ < 0.35, a random sample of size n = 41 is obtained from a population that is known to be normally distributed a. If the sample standard deviation is determined to be s 0.23, compute the test statistic. (5 pts) b. If the researcher decides to test this hypothesis at the a 0.01 level of significance , determine the critical value. (5 pts) c. Draw a chi-square distribution and...
To test H0: mean = 80 vs. H1: mean < 80, a simple random sample of...
To test H0: mean = 80 vs. H1: mean < 80, a simple random sample of size n = 22 is obtained from a population that is known to be normally distributed. (a) If x-hat = 76.9 and s = 8.5 compute the test statistic (b) If the researcher decides to test the hypothesis at the a = 0.02 level of significance, determine the critical value. (c) Draw a t-distribution that depicts the critical region (d) Will the researcher reject...
To test Ho: = 50 versus H=50, a simple random sample of size n = 40...
To test Ho: = 50 versus H=50, a simple random sample of size n = 40 is obtained. Complete parts (a) through below Click the icon to view the table of critical t-values (a) Does the population have to be normally distributed to test this hypothesis by using t-distribution methods? Why? O A. No-there are no constraints in order to perform a hypothesis test. O B. No-since the sample size is at least 30, the underlying population does not need...
10.) to test Ho: u=35 versus H1: u unequal to 36, a simple random sample size...
10.) to test Ho: u=35 versus H1: u unequal to 36, a simple random
sample size of n=35 is obtained. complete parts a through f
To test H 36 versus Hy736, a simple random sample of size 35 is obtained. Complete parts (a) through in below. Click the loon to view the table of critical values (a) Does the population have to be normally distributed to test this hypothesis by using diatribution methode? Why? O A No--there are no constraints...
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...
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...
105, a simple random sarnple of size n = 25 is To test Ho : μ = 105 versus H1 : μ obtained (a) Ifx 101.9 and s 5.9, compute the test statistic. (b) Draw a t-distribution with the area that represents the p-value shaded. (c) Approximate and interpret the p-value. (d) If the researcher decides to test this hypothesis at the α 0.01 level of significance, will the researcher reject the null hypothesis? Why?
3. (25 points) To test Ho: σ 0.35 versus H1: σ < 0.35, a random sample of size n = 41 is obtained from a population that is known to be normally distributed a. If the sample standard deviation is determined to be s 0.23, compute the test statistic. (5 pts) b. If the researcher decides to test this hypothesis at the a 0.01 level of significance , determine the critical value. (5 pts) c. Draw a chi-square distribution and...
To test Ho: = 50 versus H=50, a simple random sample of size n = 40 is obtained. Complete parts (a) through below Click the icon to view the table of critical t-values (a) Does the population have to be normally distributed to test this hypothesis by using t-distribution methods? Why? O A. No-there are no constraints in order to perform a hypothesis test. O B. No-since the sample size is at least 30, the underlying population does not need...
10.) to test Ho: u=35 versus H1: u unequal to 36, a simple random
sample size of n=35 is obtained. complete parts a through f
To test H 36 versus Hy736, a simple random sample of size 35 is obtained. Complete parts (a) through in below. Click the loon to view the table of critical values (a) Does the population have to be normally distributed to test this hypothesis by using diatribution methode? Why? O A No--there are no constraints...
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