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andard deviation of 13.3. Complete parts (a) ugh (d) ) Consider the hypotheses H₂ = 101 versus H, >101. Explain what the director is testing Perform the test at the a=0.01 level of significance Write a conclusion for the test xplain what the director is testing. Choose the correct answer below OA. The director is testing if the sample provided sufficient evidence that the population mean IQ score is actually equal to 101. OB. The director is testing if the sample provided sufficient evidence that the population mean IQ score is actually not greater than 101 OC. The director is testing if the sample provided sufficient evidence that the population mean IQ score is actually greater than 101. OD. The director is testing if the sample provided sufficient evidiace that the population mean IQ score is actually not equal to 101 Find the test statistic for this hypothesis test (Round to two decimal places as needed) Find the P-value for this hypothesis test (Round to three decimal places as needed) Write a conclusion for the test Choose the correct answer below OA Do not reject H, There is sufficient evidence to conclude that the mean IQ score of people in the country is greater than 101 at the a=0.01 level of significance OB. Reject Ho There is sufficient evidence to conclude that the mean IQ score of people in the country is greater than 101 at the a=0.01 level of significance OC. Do not reject H. There is not sufficient evidence to conclude that the mean IQ score of people in the country is greater than 101 at the a-0.01 level of significance ucent evidence to conclude that the mean IQ score of people in the country is greater than 101 at the a-001 level of significance On Roert H. There is not

andard deviation of 13.3. Complete parts (a) ugh (d) ) Consider the hypotheses H₂ = 101 versus H, >101. Explain what the director is testing Perform the test at the a=0.01 level of significance Write a conclusion for the test xplain what the director is testing. Choose the correct answer below OA. The director is testing if the sample provided sufficient evidence that the population mean IQ score is actually equal to 101. OB. The director is testing if the sample provided sufficient evidence that the population mean IQ score is actually not greater than 101 OC. The director is testing if the sample provided sufficient evidence that the population mean IQ score is actually greater than 101. OD. The director is testing if the sample provided sufficient evidiace that the population mean IQ score is actually not equal to 101 Find the test statistic for this hypothesis test (Round to two decimal places as needed) Find the P-value for this hypothesis test (Round to three decimal places as needed) Write a conclusion for the test Choose the correct answer below OA Do not reject H, There is sufficient evidence to conclude that the mean IQ score of people in the country is greater than 101 at the a=0.01 level of significance OB. Reject Ho There is sufficient evidence to conclude that the mean IQ score of people in the country is greater than 101 at the a=0.01 level of significance OC. Do not reject H. There is not sufficient evidence to conclude that the mean IQ score of people in the country is greater than 101 at the a-0.01 level of significance ucent evidence to conclude that the mean IQ score of people in the country is greater than 101 at the a-001 level of significance On Roert H. There is not

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.3: Measures Of Spread
Problem 26PFA
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Suppose the mean IQ score of people in a certain country is 101. Suppose the director of a college obtains a simple random sample of 43 students from that country and finds the mean IQ is 104.6 with a standard deviation of 13.3. Complete parts (a) through (d) below. (a) Consider the hypotheses Ho: 101 versus H₁: > 101. Explain what the director is testing Perform the test at the a=0.01 level of significance. Write a conclusion for the test Explain what the director is testing. Choose the correct answer below OA. The director is testing if the sample provided sufficient evidence that the population mean IQ score is actually equal to 101. OB. The director is testing if the sample provided sufficient evidence that the population mean IQ score is actually not greater than 101. OC. The director is testing if the sample provided sufficient evidence that the population mean IQ score is actually greater than 101. OD. The director is testing if the sample provided sufficient evidiace that the population mean IQ score is actually not equal to 101 Find the test statistic for this hypothesis test. (Round to two decimal places as needed.) Find the P-value for this hypothesis test (Round to three decimal places as needed) Write a conclusion for the test. Choose the correct answer below. OA. Do not reject Ho. There is sufficient evidence to conclude that the mean IQ score of people in the country is greater than 101 at the a=0.01 level of significance OB. Reject Ho. There is sufficient evidence to conclude that the mean IQ score of people in the country is greater than 101 at the a=0.01 level of significance OC. Do not reject Ho. There is not sufficient evidence to conclude that the mean IQ score of people in the country is greater than 101 at the a=0.01 level of significance OR Brjest Ho. There is not sufficient evidence to conclude that the mean IQ score of people in the country is greater than 101 at the a=0.01 level of significance
Transcribed Image Text:Suppose the mean IQ score of people in a certain country is 101. Suppose the director of a college obtains a simple random sample of 43 students from that country and finds the mean IQ is 104.6 with a standard deviation of 13.3. Complete parts (a) through (d) below. (a) Consider the hypotheses Ho: 101 versus H₁: > 101. Explain what the director is testing Perform the test at the a=0.01 level of significance. Write a conclusion for the test Explain what the director is testing. Choose the correct answer below OA. The director is testing if the sample provided sufficient evidence that the population mean IQ score is actually equal to 101. OB. The director is testing if the sample provided sufficient evidence that the population mean IQ score is actually not greater than 101. OC. The director is testing if the sample provided sufficient evidence that the population mean IQ score is actually greater than 101. OD. The director is testing if the sample provided sufficient evidiace that the population mean IQ score is actually not equal to 101 Find the test statistic for this hypothesis test. (Round to two decimal places as needed.) Find the P-value for this hypothesis test (Round to three decimal places as needed) Write a conclusion for the test. Choose the correct answer below. OA. Do not reject Ho. There is sufficient evidence to conclude that the mean IQ score of people in the country is greater than 101 at the a=0.01 level of significance OB. Reject Ho. There is sufficient evidence to conclude that the mean IQ score of people in the country is greater than 101 at the a=0.01 level of significance OC. Do not reject Ho. There is not sufficient evidence to conclude that the mean IQ score of people in the country is greater than 101 at the a=0.01 level of significance OR Brjest Ho. There is not sufficient evidence to conclude that the mean IQ score of people in the country is greater than 101 at the a=0.01 level of significance
Suppose the mean IQ score of people in a certain country is 101. Suppose the director of a college obtains a simple random sample of 43 students from that country and fi standard deviation of 13.3. Complete parts (a) through (d) below. C Explain what the director is testing. Choose the correct answer below. OA. The director is testing if the sample provided sufficient evidence that the population mean IQ score is actually equal to 102. OB. The director is testing if the sample provided sufficient evidence that the population mean IQ score is actually greater than 102. OC. The director is testing if the sample provided sufficient evidence that the population mean IQ score is actually not equal to 102. OD. The director is testing if the sample provided sufficient evidence that the population mean IQ score is actually not greater than 102. Find the test statistic for this hypothesis test. (Round to two decimal places as needed.) Find the P-value for this hypothesis test. (Round to three decimal places as needed.) Write a conclusion for the test. Choose the correct answer below. O A. Do not reject Ho. There is sufficient evidence to conclude that the mean IQ score of people in the country is greater than 102 at the a= 0.01 level of significance. OB. Reject Ho. There is sufficient evidence to conclude that the mean IQ score of people in the country is greater than 102 at the a=0.01 level of significance. OC. Do not reject Ho. There is not sufficient evidence to conclude that the mean IQ score of people in the country is greater than 102 at the a= 0.01 level of significance. OD. Reject Ho. There is not sufficient evidence to conclude that the mean IQ score of people in the country is greater than 102 at the a= 0.01 level of significance. (c) Consider the hypotheses Ho: H=103 versus H₁ μ> 103. Explain what the director is testing. Perform the test at the a= 0.01 level of significance. Write a conclusion for the test H Time Remainin
Transcribed Image Text:Suppose the mean IQ score of people in a certain country is 101. Suppose the director of a college obtains a simple random sample of 43 students from that country and fi standard deviation of 13.3. Complete parts (a) through (d) below. C Explain what the director is testing. Choose the correct answer below. OA. The director is testing if the sample provided sufficient evidence that the population mean IQ score is actually equal to 102. OB. The director is testing if the sample provided sufficient evidence that the population mean IQ score is actually greater than 102. OC. The director is testing if the sample provided sufficient evidence that the population mean IQ score is actually not equal to 102. OD. The director is testing if the sample provided sufficient evidence that the population mean IQ score is actually not greater than 102. Find the test statistic for this hypothesis test. (Round to two decimal places as needed.) Find the P-value for this hypothesis test. (Round to three decimal places as needed.) Write a conclusion for the test. Choose the correct answer below. O A. Do not reject Ho. There is sufficient evidence to conclude that the mean IQ score of people in the country is greater than 102 at the a= 0.01 level of significance. OB. Reject Ho. There is sufficient evidence to conclude that the mean IQ score of people in the country is greater than 102 at the a=0.01 level of significance. OC. Do not reject Ho. There is not sufficient evidence to conclude that the mean IQ score of people in the country is greater than 102 at the a= 0.01 level of significance. OD. Reject Ho. There is not sufficient evidence to conclude that the mean IQ score of people in the country is greater than 102 at the a= 0.01 level of significance. (c) Consider the hypotheses Ho: H=103 versus H₁ μ> 103. Explain what the director is testing. Perform the test at the a= 0.01 level of significance. Write a conclusion for the test H Time Remainin
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