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Question 43 2 pts 16. To test the claim that o < 2.2, a random sample...
Question 43 2 pts 16. To test the claim that o < 2.2, a random sample...
Question 43 2 pts 16. To test the claim that o < 2.2, a random sample of size n=25 is obtained from a population that is known to be normally distributed. Use s = 3.91 and a = 0.05 level of significance.
Question 42 2 pts 42. To test the claim that o > 3.1, a random sample...
Question 42 2 pts 42. To test the claim that o > 3.1, a random sample of size n=15 is obtained from a population that is known to be normally distributed. Use s2 = 1.52 and a = 0.05 level of significance. Answer questions 42 through 43. State the null and alternate hypotheses. HO: 0 < 3.1; H1: 0 = 3.1 Left Tailed Test HO: 0 = 3.1; H1: 0 < 3.1 Left Tailed Test HO:0 > 3.1; H1: 0...
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...
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...
Question 4 0/3 pts 5399 Detail: You wish to test the following claim (H) at a...
Question 4 0/3 pts 5399 Detail: You wish to test the following claim (H) at a significance level of a = 0.005. H: = 52.2 H: < 52.2 You believe the population is normally distributed, but you do not know the standard deviation. You obtain a sample of size n = 57 with mean M = 50.3 and a standard deviation of SD = 17.7. What is the test statistic for this sample? (Report answer accurate to three decimal places.)...
Use a y? tost to test the claim a <43 at the a=0.01 significance levol using...
Use a y? tost to test the claim a <43 at the a=0.01 significance levol using sample statistics s = 40.9 and 21. Assume the population is normally distributed. Identify the null and alternative hypotheses. O A. Ho: > 43 Ho: 343 0 6 Ho: g = 43 H:02:43 OB. Mo: 0543 H: > 43 OD. Ho: 0243 H:<43 Identify the test statistic (Round to three decimal places as needed.) Identify the critical value(s). (Round to three decimal places as...
You wish to test the following claim (H) at a significance level of a = 0.002....
You wish to test the following claim (H) at a significance level of a = 0.002. H: = 76.8 Hau < 76.8 You believe the population is normally distributed and you know the population standard deviation is o = 12.5. You obtain a sample mean of ä = 71.6 for a sample of size n = 21. a. What is the test statistic for this sample? test statistic - Round to 3 decimal places b. What is the p-value for...
To test Ho: u = 20 versus Hy: u<20, a simple random sample of size n= 16 is obtained from a population that is known...
To test Ho: u = 20 versus Hy: u<20, a simple random sample of size n= 16 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 = 18.1 and s = 4.1, compute the test statistic. t (Round to two decimal places as needed.) (b) Draw a t-distribution with the area that represents the P-value shaded. Which of the following graphs...
To test Ho: u 60 versus Hy: H <60, a random sample of size n 24...
To test Ho: u 60 versus Hy: H <60, a random sample of size n 24 is obtained from a population that is known to be normally distributed. Complete parts (a) through (d) below. 囲Click here to view the t-Distribution Area in Right Tail. (a) If x 56.4 and s 12.4, compute the test statistic h" □ (Round to three decimal places as needed.)
You wish to test the following claim (H) at a significance level of a = 0.10....
You wish to test the following claim (H) at a significance level of a = 0.10. Hou = 65.5 H: < 65.5 You believe the population is normally distributed, but you do not know the standard deviation. You obtain a sample of size n = 16 with a mean of ä = 57.2 and a standard deviation of s = 11.9. What is the critical value for this test? (Report answer accurate to three decimal places.) critical value = Submit
Question 43 2 pts 16. To test the claim that o < 2.2, a random sample of size n=25 is obtained from a population that is known to be normally distributed. Use s = 3.91 and a = 0.05 level of significance.
Question 42 2 pts 42. To test the claim that o > 3.1, a random sample of size n=15 is obtained from a population that is known to be normally distributed. Use s2 = 1.52 and a = 0.05 level of significance. Answer questions 42 through 43. State the null and alternate hypotheses. HO: 0 < 3.1; H1: 0 = 3.1 Left Tailed Test HO: 0 = 3.1; H1: 0 < 3.1 Left Tailed Test HO:0 > 3.1; H1: 0...
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...
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...
Question 4 0/3 pts 5399 Detail: You wish to test the following claim (H) at a significance level of a = 0.005. H: = 52.2 H: < 52.2 You believe the population is normally distributed, but you do not know the standard deviation. You obtain a sample of size n = 57 with mean M = 50.3 and a standard deviation of SD = 17.7. What is the test statistic for this sample? (Report answer accurate to three decimal places.)...
Use a y? tost to test the claim a <43 at the a=0.01 significance levol using sample statistics s = 40.9 and 21. Assume the population is normally distributed. Identify the null and alternative hypotheses. O A. Ho: > 43 Ho: 343 0 6 Ho: g = 43 H:02:43 OB. Mo: 0543 H: > 43 OD. Ho: 0243 H:<43 Identify the test statistic (Round to three decimal places as needed.) Identify the critical value(s). (Round to three decimal places as...
You wish to test the following claim (H) at a significance level of a = 0.002. H: = 76.8 Hau < 76.8 You believe the population is normally distributed and you know the population standard deviation is o = 12.5. You obtain a sample mean of ä = 71.6 for a sample of size n = 21. a. What is the test statistic for this sample? test statistic - Round to 3 decimal places b. What is the p-value for...
To test Ho: u = 20 versus Hy: u<20, a simple random sample of size n= 16 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 = 18.1 and s = 4.1, compute the test statistic. t (Round to two decimal places as needed.) (b) Draw a t-distribution with the area that represents the P-value shaded. Which of the following graphs...
To test Ho: u 60 versus Hy: H <60, a random sample of size n 24 is obtained from a population that is known to be normally distributed. Complete parts (a) through (d) below. 囲Click here to view the t-Distribution Area in Right Tail. (a) If x 56.4 and s 12.4, compute the test statistic h" □ (Round to three decimal places as needed.)
You wish to test the following claim (H) at a significance level of a = 0.10. Hou = 65.5 H: < 65.5 You believe the population is normally distributed, but you do not know the standard deviation. You obtain a sample of size n = 16 with a mean of ä = 57.2 and a standard deviation of s = 11.9. What is the critical value for this test? (Report answer accurate to three decimal places.) critical value = Submit
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