what alpha should be used? 4. Can you say with 95% confidence that Store 1 is producing sub sandwiches with an average length that is less than 12 inches? 5. Can you say with 95% confidence that Store 2 is producing sub sandwiches with an average length that is less than 12 inches? a=0.05 [select] Iselect) 6. Can you say with 95% confidence that Store 3 is producing sub sandwiches with an average length that is less than 12 inches? (select]
what alpha should be used? 4. Can you say with 95% confidence that Store 1 is producing sub sandwiches with an average length that is less than 12 inches? 5. Can you say with 95% confidence that Store 2 is producing sub sandwiches with an average length that is less than 12 inches? a=0.05 [select] Iselect) 6. Can you say with 95% confidence that Store 3 is producing sub sandwiches with an average length that is less than 12 inches? (select]
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
Question
What is the variance for store 3?
What is 4, 5, and 6 in interpreting the results?
Transcribed Image Text:### Text Transcription for Educational Purposes
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**Sandwich Measurements**
- **Store 1** Sample Lengths: 11.8, 10.6, 9.4, 9.2, 11.0, 12.6, 14.4, 10.4, 10.4, 11.8, 10.0, 12.7, 9.9, 9.3, 12.9, 13.9, 9.7, 9.7
- **Store 2** Sample Lengths: 9.1, 10.4, 9.2, 9.1, 12.3, 10.3, 11.7, 14.3
- **Store 3** Sample Lengths: 9.0, 12.2, 10.7, 12.4, 11.1, 8.7, 12.4, 13.2, 14.3, 11.6, 13.7, 14.7, 12.4, 13.5, 12.9, 10.2, 10.8, 10.2, 8.6, 11.0
**Statistics**
- **Sample Size**
- Store 1: 18
- Store 2: 8
- Store 3: 20
- **Mean (length)**
- Store 1: 11.00
- Store 2: 11.00
- Store 3: 12.10
- **Variance**
- Store 1: 2.31
- Store 2: 2.50
- Store 3: 4.10
- **Standard Deviation**
- Store 1: 1.52
- Store 2: 1.58
- Store 3: 2.02
- **Hypothesized Mean (M)**: 12 (all stores)
- **Difference in Means (x̄ - M)**
- Store 1: -1.00
- Store 2: -1.00
- Store 3: 0.10
- **Standard Error**
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