Test the claim that the mean GPA of night students is smaller than 2.8 at the 0.025 significance level.The null and alternative hypothesis would be:Но: и — 2.8 Но:р > 0.7 Но:р<0.7 Но:р — 0.7 Но: и> 2.8 Но: д < 2.8Hi:д 2.8 Н::р<0.7 Hі:p> 0.7 Hi:р + 0.7 Hi:д < 2.8 Ні:д > 2.8=The test is:left-tailed right-tailed two-tailedBased on a sample of 30 people, the sample mean GPA was 2.79 with a standard deviation of 0.03The test statistic is:(to 2 decimals)The p-value is:(to 2 decimals)Based on this we:Reject the null hypothesisO Fail to reject the null hypothesis

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The null and alternative hypothesis would be: Но: и — 2.8 Нo:p 2 0.7 Но:р < 0.7 Но:р — 0.7 Но:д 2 2.8 Но:Д < 2.8 Hi:р + 2.8 Ні:р< 0.7 Hі:p > 0.7 Hi:р +0.7 Hi:д < 2.8 Ні:д > 2.8 The test is:

The null and alternative hypothesis would be: Но: и — 2.8 Нo:p 2 0.7 Но:р < 0.7 Но:р — 0.7 Но:д 2 2.8 Но:Д < 2.8 Hi:р + 2.8 Ні:р< 0.7 Hі:p > 0.7 Hi:р +0.7 Hi:д < 2.8 Ні:д > 2.8 The test is:

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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Question

Test the claim that the mean GPA of night students is smaller than 2.8 at the 0.025 significance level.
The null and alternative hypothesis would be:
Но: и — 2.8 Но:р > 0.7 Но:р<0.7 Но:р — 0.7 Но: и> 2.8 Но: д < 2.8
Hi:д 2.8 Н::р<0.7 Hі:p> 0.7 Hi:р + 0.7 Hi:д < 2.8 Ні:д > 2.8
=
The test is:
left-tailed right-tailed two-tailed
Based on a sample of 30 people, the sample mean GPA was 2.79 with a standard deviation of 0.03
The test statistic is:
(to 2 decimals)
The p-value is:
(to 2 decimals)
Based on this we:
Reject the null hypothesis
O Fail to reject the null hypothesis

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