Test the claim that the mean GPA of night students is larger than 3.2 at the 0.01 significance level. The null and alternative hypotheses would be: Но: д — 3.2 Но: и — 3.2 Но:р — 3.2 Но:р — 0.8 Но:р — 0.8 Но:р — 0.8 Ні:д 2 3.2 Hі:р < 3.2 Н:n> 3.2 Hi:р > 0.8 Hi:р < 0.8 Ні:р 0.8 %3D The test is: right-tailed two-tailed left-tailed Based on a sample of 31 people, the sample mean GPA was 3.24 with a standard deviation of 0.14 The p-value is: (to 3 decimals) The significance level is: (to 2 decimals) Based on this we: O Fail to reject the null hypothesis O Reject the null hypothesis
Test the claim that the mean GPA of night students is larger than 3.2 at the 0.01 significance level. The null and alternative hypotheses would be: Но: д — 3.2 Но: и — 3.2 Но:р — 3.2 Но:р — 0.8 Но:р — 0.8 Но:р — 0.8 Ні:д 2 3.2 Hі:р < 3.2 Н:n> 3.2 Hi:р > 0.8 Hi:р < 0.8 Ні:р 0.8 %3D The test is: right-tailed two-tailed left-tailed Based on a sample of 31 people, the sample mean GPA was 3.24 with a standard deviation of 0.14 The p-value is: (to 3 decimals) The significance level is: (to 2 decimals) Based on this we: O Fail to reject the null hypothesis O Reject the null hypothesis
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
Related questions
Topic Video
Question

Transcribed Image Text:### Hypothesis Testing: Mean GPA of Night Students
---
#### Problem Statement
Test the claim that the mean GPA of night students is larger than 3.2 at the 0.01 significance level.
#### Null and Alternative Hypotheses
Choose the correct null and alternative hypotheses from the options below:
1. \( H_0: \mu = 3.2 \) and \( H_1: \mu \neq 3.2 \)
2. \( H_0: \mu = 3.2 \) and \( H_1: \mu < 3.2 \)
3. \( H_0: \mu = 3.2 \) and \( H_1: \mu > 3.2 \)
4. \( H_0: p = 0.8 \) and \( H_1: p > 0.8 \)
5. \( H_0: p = 0.8 \) and \( H_1: p < 0.8 \)
6. \( H_0: p = 0.8 \) and \( H_1: p \neq 0.8 \)
**Correct Answer:**
- \( \mathbf{H_0: \mu = 3.2} \)
- \( \mathbf{H_1: \mu > 3.2} \)
#### Test Type
Choose the correct test type from the options below:
- Right-tailed
- Two-tailed
- Left-tailed
**Correct Answer:**
- \(\mathbf{Right\textrm{-}tailed}\)
#### Sample Data
Based on a sample of 31 people, the sample mean GPA was 3.24 with a standard deviation of 0.14.
#### P-value Calculation
Calculate the p-value (to 3 decimals):
- P-value: \_\_\_\_\_\_
#### Significance Level
Enter the significance level (to 2 decimals):
- Significance level: \_\_\_\_\_\_
#### Conclusion
Based on the p-value and significance level, choose the correct conclusion:
- Fail to reject the null hypothesis
- Reject the null hypothesis
#### Additional Details
To calculate the p-value for a one-tailed test:
1. Convert the sample mean GPA (3.24) to a z-score using the formula for the test statistic:
\[
z =
Expert Solution

This question has been solved!
Explore an expertly crafted, step-by-step solution for a thorough understanding of key concepts.
This is a popular solution!
Trending now
This is a popular solution!
Step by step
Solved in 2 steps with 1 images

Knowledge Booster
Learn more about
Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, statistics and related others by exploring similar questions and additional content below.Recommended textbooks for you

MATLAB: An Introduction with Applications
Statistics
ISBN:
9781119256830
Author:
Amos Gilat
Publisher:
John Wiley & Sons Inc

Probability and Statistics for Engineering and th…
Statistics
ISBN:
9781305251809
Author:
Jay L. Devore
Publisher:
Cengage Learning

Statistics for The Behavioral Sciences (MindTap C…
Statistics
ISBN:
9781305504912
Author:
Frederick J Gravetter, Larry B. Wallnau
Publisher:
Cengage Learning

MATLAB: An Introduction with Applications
Statistics
ISBN:
9781119256830
Author:
Amos Gilat
Publisher:
John Wiley & Sons Inc

Probability and Statistics for Engineering and th…
Statistics
ISBN:
9781305251809
Author:
Jay L. Devore
Publisher:
Cengage Learning

Statistics for The Behavioral Sciences (MindTap C…
Statistics
ISBN:
9781305504912
Author:
Frederick J Gravetter, Larry B. Wallnau
Publisher:
Cengage Learning

Elementary Statistics: Picturing the World (7th E…
Statistics
ISBN:
9780134683416
Author:
Ron Larson, Betsy Farber
Publisher:
PEARSON

The Basic Practice of Statistics
Statistics
ISBN:
9781319042578
Author:
David S. Moore, William I. Notz, Michael A. Fligner
Publisher:
W. H. Freeman

Introduction to the Practice of Statistics
Statistics
ISBN:
9781319013387
Author:
David S. Moore, George P. McCabe, Bruce A. Craig
Publisher:
W. H. Freeman