Suppose a professional golfing association requires that the standard deviation of the diameter of a golf ball be less than 0.005 inch. Determine whether these golf balls conform to this requirement at the a=0.01 level of significance. Assume that the population is normally distributed. What are the correct hypotheses for this test? The null hypothesis is H.: The alternative hypothesis is H₁: ample Get more help. *** Clear all 1.678 1.681 1.684 1.679 1.684 1.678 1.684 1.684 1.684 1.677 1.682 1.677 Chackensve
Suppose a professional golfing association requires that the standard deviation of the diameter of a golf ball be less than 0.005 inch. Determine whether these golf balls conform to this requirement at the a=0.01 level of significance. Assume that the population is normally distributed. What are the correct hypotheses for this test? The null hypothesis is H.: The alternative hypothesis is H₁: ample Get more help. *** Clear all 1.678 1.681 1.684 1.679 1.684 1.678 1.684 1.684 1.684 1.677 1.682 1.677 Chackensve
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
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Transcribed Image Text:### Hypothesis Testing for Golf Ball Diameter
#### Problem Statement
Suppose a professional golfing association requires that the standard deviation of the diameter of a golf ball be less than 0.005 inch. Determine whether these golf balls conform to this requirement at the α = 0.01 level of significance. Assume that the population is normally distributed.
#### Data
The diameters of the golf balls provided for the test are as follows:
- 1.622
- 1.677
- 1.678
- 1.679
- 1.681
- 1.684
- 1.684
- 1.678
- 1.684
- 1.684
- 1.677
#### Hypothesis Formulation
- **Null Hypothesis (H₀):**
The standard deviation of the golf ball diameter is 0.005 inch or more.
- **Alternative Hypothesis (H₁):**
The standard deviation of the golf ball diameter is less than 0.005 inch.
#### Instructions for Hypothesis Testing
1. **Select the Null and Alternative Hypotheses:**
Use the drop-down menus to select the correct symbols and conditions for the null and alternative hypotheses.
2. **Determine the Test Statistic:**
Calculate the standard deviation from the sample data provided and compare it to the defined threshold of 0.005 inch.
3. **Decision Rule:**
At a significance level of α = 0.01, determine if the calculated standard deviation supports the alternative hypothesis.
4. **Conclude:**
Based on the comparison and the level of significance, conclude whether the golf ball diameters conform to the requirement.
#### Interactive Features
- The web interface provides drop-down options for selecting hypotheses and buttons for clearing inputs or checking the correctness of selected hypotheses.
#### Additional Help
If you require further guidance, click "Get more help" for a detailed explanation or example.
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