Test the claim that the mean GPA of night students is larger than 3.1 at the 0.01 significance level. The null and alternative hypothesis would be: Но:р 3D 0.775 Нo:p 2 0.775 Но: д %3 3.1 Но:и < 3.1 Но:p < 0.775 Но:и 2 3.1 H:р+ 0.775 Н:р< 0.775 Hі:р # 3.1 Hi:р > 3.1 H:р > 0.775 Hі:р < 3.1 The test is: right-tailed two-tailed left-tailed Based on a sample of 80 people, the sample mean GPA was 3.14 with a standard deviation of 0.07 The test statistic is: (to 2 decimals) The p-value is: (to 2 decimals) Based on this we: Reject the null hypothesis Fail to reject the null hypothesis
Test the claim that the mean GPA of night students is larger than 3.1 at the 0.01 significance level. The null and alternative hypothesis would be: Но:р 3D 0.775 Нo:p 2 0.775 Но: д %3 3.1 Но:и < 3.1 Но:p < 0.775 Но:и 2 3.1 H:р+ 0.775 Н:р< 0.775 Hі:р # 3.1 Hi:р > 3.1 H:р > 0.775 Hі:р < 3.1 The test is: right-tailed two-tailed left-tailed Based on a sample of 80 people, the sample mean GPA was 3.14 with a standard deviation of 0.07 The test statistic is: (to 2 decimals) The p-value is: (to 2 decimals) Based on this we: Reject the null hypothesis Fail to reject the null hypothesis
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 larger than 3.1 at the 0.01 significance level.
The null and alternative hypothesis would be:
Но: р — 0.775 Но:р> 0.775 Но: и — 3.1 Но:р < 3.1 Но:р < 0.775 Но: > 3.1
Н:р+ 0.775 Hi:р < 0.775 Hi:р + 3.1 Hi:д> 3.1 H]:p > 0.775 Hi:р < 3.1
The test is:
right-tailed two-tailed left-tailed
Based on a sample of 80 people, the sample mean GPA was 3.14 with a standard deviation of 0.07
The test statistic is:
(to 2 decimals)
The p-value is:
(to 2 decimals)
Based on this we:
O Reject the null hypothesis
O Fail to reject the null hypothesis](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F79f3f990-5e77-4fc1-868f-00302c0c61bb%2Fe0aeed5b-114e-4db4-a0e0-34eac3bf80fa%2F4n3n9g_processed.png&w=3840&q=75)
Transcribed Image Text:Test the claim that the mean GPA of night students is larger than 3.1 at the 0.01 significance level.
The null and alternative hypothesis would be:
Но: р — 0.775 Но:р> 0.775 Но: и — 3.1 Но:р < 3.1 Но:р < 0.775 Но: > 3.1
Н:р+ 0.775 Hi:р < 0.775 Hi:р + 3.1 Hi:д> 3.1 H]:p > 0.775 Hi:р < 3.1
The test is:
right-tailed two-tailed left-tailed
Based on a sample of 80 people, the sample mean GPA was 3.14 with a standard deviation of 0.07
The test statistic is:
(to 2 decimals)
The p-value is:
(to 2 decimals)
Based on this we:
O Reject the null hypothesis
O Fail to reject the null hypothesis
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