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Test the claim that the mean GPA of night students is significantly different than 2.8 at the 0.2 significance level. The null and alternative hypothesis would be: Ho:P Hi:р < 0.7 Н]:р> 0.7 Hі:p+0.7 Hi:д + 2.8 Hi:д < 2.8 Ні:д > 2.8 0.7 Но:р — 0.7 Но:р %3D 0.7 Но: д —— 2.8 Но: д — 2.8 Но: р — 2.8 The test is: right-tailed left-tailed two-tailed Based on a sample of 65 people, the sample mean GPA was 2.84 with a standard deviation of 0.07. The p-value is: (to 2 decimals)

Test the claim that the mean GPA of night students is significantly different than 2.8 at the 0.2 significance level. The null and alternative hypothesis would be: Ho:P Hi:р < 0.7 Н]:р> 0.7 Hі:p+0.7 Hi:д + 2.8 Hi:д < 2.8 Ні:д > 2.8 0.7 Но:р — 0.7 Но:р %3D 0.7 Но: д —— 2.8 Но: д — 2.8 Но: р — 2.8 The test is: right-tailed left-tailed two-tailed Based on a sample of 65 people, the sample mean GPA was 2.84 with a standard deviation of 0.07. The p-value is: (to 2 decimals)

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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Test the claim that the mean GPA of night students is significantly different than 2.8 at the 0.2 significance level. The null and alternative hypothesis would be: 0.7 Но: и Ні:р < 0.7 H1:р > 0.7 Н1:p + 0.7 Hi: р + 2.8 Нi:д < 2.8 Ні:р > 2.8 Но: р 0.7 Но:р — 0.7 Но:р 2.8 Но: д — 2.8 Но: р 2.8 |3| The test is: right-tailed left-tailed two-tailed o Based on a sample of 65 people, the sample mean GPA was 2.84 with a standard deviation of 0.07. The p-value is: (to 2 decimals)
Transcribed Image Text:Test the claim that the mean GPA of night students is significantly different than 2.8 at the 0.2 significance level. The null and alternative hypothesis would be: 0.7 Но: и Ні:р < 0.7 H1:р > 0.7 Н1:p + 0.7 Hi: р + 2.8 Нi:д < 2.8 Ні:р > 2.8 Но: р 0.7 Но:р — 0.7 Но:р 2.8 Но: д — 2.8 Но: р 2.8 |3| The test is: right-tailed left-tailed two-tailed o Based on a sample of 65 people, the sample mean GPA was 2.84 with a standard deviation of 0.07. The p-value is: (to 2 decimals)
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