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12 25,3 Section 11.1 Hypothesis Tests for the Difference Between Two Mea- 6 In general, it is not recommended to use a pooled standard deviation when testing a hypothesis for the difference between The following data sons are consistent means. reported in the art samples come fro Practicing the Skills Firstbor 7. A test was made of Ho: HI=42 versus H1: H1H2. The 104 82 102 sample means were = 6 and i= 11, the sample standard deviations were s = 3 ands = 5, and the sample sizes were 10 and n 20. 89 114 107 1 Secondb a. How many degrees of freedom are there for the test statistic, using the simple method? D. Compute the value of the test statistic. C. Is Ho rejected at the 0.05 level? Explain. 103 103 91 2 103 92 90 Bo5/1,17 253 Section 11.1Hypothesis Tests for the Difference Between Two Means: Indepen prieu 6. In general, it is not recommended to use a pooled standard deviation when testing a hypothesis for the difference between The following data for 10 firstb sons are consistent with the me means. reported in the article. It is reas samples come from population Practicing the Skills Firstborn 7. A test was made of Ho: H2 versus Hi: 1H2.The sample means were = 6 and 2= 11, the sample standard deviations were s1 = 3 and s2 = 5, and the sample sizes were 104 82 102 96 129 89 114 107 89 103 n1= 10 and n = 20. Secondborn a. How many degrees of freedom are there for the test statistic, using the simple method? b. Compute the value of the test statistic. C. Is Ho rejected at the 0.05 level? Explain. 103 103 91 113 102 103 92 90 114 113

12 25,3 Section 11.1 Hypothesis Tests for the Difference Between Two Mea- 6 In general, it is not recommended to use a pooled standard deviation when testing a hypothesis for the difference between The following data sons are consistent means. reported in the art samples come fro Practicing the Skills Firstbor 7. A test was made of Ho: HI=42 versus H1: H1H2. The 104 82 102 sample means were = 6 and i= 11, the sample standard deviations were s = 3 ands = 5, and the sample sizes were 10 and n 20. 89 114 107 1 Secondb a. How many degrees of freedom are there for the test statistic, using the simple method? D. Compute the value of the test statistic. C. Is Ho rejected at the 0.05 level? Explain. 103 103 91 2 103 92 90 Bo5/1,17 253 Section 11.1Hypothesis Tests for the Difference Between Two Means: Indepen prieu 6. In general, it is not recommended to use a pooled standard deviation when testing a hypothesis for the difference between The following data for 10 firstb sons are consistent with the me means. reported in the article. It is reas samples come from population Practicing the Skills Firstborn 7. A test was made of Ho: H2 versus Hi: 1H2.The sample means were = 6 and 2= 11, the sample standard deviations were s1 = 3 and s2 = 5, and the sample sizes were 104 82 102 96 129 89 114 107 89 103 n1= 10 and n = 20. Secondborn a. How many degrees of freedom are there for the test statistic, using the simple method? b. Compute the value of the test statistic. C. Is Ho rejected at the 0.05 level? Explain. 103 103 91 113 102 103 92 90 114 113

Holt Mcdougal Larson Pre-algebra: Student Edition 2012
Holt Mcdougal Larson Pre-algebra: Student Edition 2012
1st Edition
ISBN:9780547587776
Author:HOLT MCDOUGAL
Publisher:HOLT MCDOUGAL
Chapter11: Data Analysis And Probability
Section: Chapter Questions
Problem 8CR
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12 25,3 Section 11.1 Hypothesis Tests for the Difference Between Two Mea- 6 In general, it is not recommended to use a pooled standard deviation when testing a hypothesis for the difference between The following data sons are consistent means. reported in the art samples come fro Practicing the Skills Firstbor 7. A test was made of Ho: HI=42 versus H1: H1H2. The 104 82 102 sample means were = 6 and i= 11, the sample standard deviations were s = 3 ands = 5, and the sample sizes were 10 and n 20. 89 114 107 1 Secondb a. How many degrees of freedom are there for the test statistic, using the simple method? D. Compute the value of the test statistic. C. Is Ho rejected at the 0.05 level? Explain. 103 103 91 2 103 92 90
Transcribed Image Text:12 25,3 Section 11.1 Hypothesis Tests for the Difference Between Two Mea- 6 In general, it is not recommended to use a pooled standard deviation when testing a hypothesis for the difference between The following data sons are consistent means. reported in the art samples come fro Practicing the Skills Firstbor 7. A test was made of Ho: HI=42 versus H1: H1H2. The 104 82 102 sample means were = 6 and i= 11, the sample standard deviations were s = 3 ands = 5, and the sample sizes were 10 and n 20. 89 114 107 1 Secondb a. How many degrees of freedom are there for the test statistic, using the simple method? D. Compute the value of the test statistic. C. Is Ho rejected at the 0.05 level? Explain. 103 103 91 2 103 92 90
Bo5/1,17 253 Section 11.1Hypothesis Tests for the Difference Between Two Means: Indepen prieu 6. In general, it is not recommended to use a pooled standard deviation when testing a hypothesis for the difference between The following data for 10 firstb sons are consistent with the me means. reported in the article. It is reas samples come from population Practicing the Skills Firstborn 7. A test was made of Ho: H2 versus Hi: 1H2.The sample means were = 6 and 2= 11, the sample standard deviations were s1 = 3 and s2 = 5, and the sample sizes were 104 82 102 96 129 89 114 107 89 103 n1= 10 and n = 20. Secondborn a. How many degrees of freedom are there for the test statistic, using the simple method? b. Compute the value of the test statistic. C. Is Ho rejected at the 0.05 level? Explain. 103 103 91 113 102 103 92 90 114 113
Transcribed Image Text:Bo5/1,17 253 Section 11.1Hypothesis Tests for the Difference Between Two Means: Indepen prieu 6. In general, it is not recommended to use a pooled standard deviation when testing a hypothesis for the difference between The following data for 10 firstb sons are consistent with the me means. reported in the article. It is reas samples come from population Practicing the Skills Firstborn 7. A test was made of Ho: H2 versus Hi: 1H2.The sample means were = 6 and 2= 11, the sample standard deviations were s1 = 3 and s2 = 5, and the sample sizes were 104 82 102 96 129 89 114 107 89 103 n1= 10 and n = 20. Secondborn a. How many degrees of freedom are there for the test statistic, using the simple method? b. Compute the value of the test statistic. C. Is Ho rejected at the 0.05 level? Explain. 103 103 91 113 102 103 92 90 114 113
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