The mean test score of a sample of 28 students in a Statistics class is 85, with a standard deviation of 7. a) Construct a 96% confidence interval for the mean test score of Statistics students. Round your answer to 3 decimal places. b) What is the margin of error of this interval? The margin of error is i c) Interpret your findings. You can be 96% confident that the population mean is somewhere between d) Is the true population mean likely to be an A (90 or more)? 78 and 92 81 and 90 82 and 88 83 and 85
The mean test score of a sample of 28 students in a Statistics class is 85, with a standard deviation of 7. a) Construct a 96% confidence interval for the mean test score of Statistics students. Round your answer to 3 decimal places. b) What is the margin of error of this interval? The margin of error is i c) Interpret your findings. You can be 96% confident that the population mean is somewhere between d) Is the true population mean likely to be an A (90 or more)? 78 and 92 81 and 90 82 and 88 83 and 85
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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![**Statistics Confidence Interval Exercise**
The mean test score of a sample of 28 students in a Statistics class is 85, with a standard deviation of 7.
**a) Construct a 96% confidence interval** for the mean test score of Statistics students. Round your answer to 3 decimal places.
\[ ( \text{[Input Box]}, \text{[Input Box]} ) \]
**b) What is the margin of error** of this interval?
The margin of error is \[ \text{[Input Box]} \].
**c) Interpret your findings.**
You can be 96% confident that the population mean is somewhere between \[ \text{[Dropdown Menu]} \].
**Options in the dropdown menu:**
- 78 and 92
- 81 and 90
- 82 and 88
- 83 and 85
**d) Is the true population mean likely to be an A (90 or more)?** \[ \text{[Dropdown Menu]} \]
**Dropdown Menu Responses:** Yes/No
**eTextbook and Media:**
[Additional resources or media related to the topic can be listed here.]](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Fcb3b9bba-00e1-4d71-97c7-f81f90965c27%2Fc9dae80f-d308-4edf-bdac-e477b65c70e9%2Fcl2s9br_processed.png&w=3840&q=75)
Transcribed Image Text:**Statistics Confidence Interval Exercise**
The mean test score of a sample of 28 students in a Statistics class is 85, with a standard deviation of 7.
**a) Construct a 96% confidence interval** for the mean test score of Statistics students. Round your answer to 3 decimal places.
\[ ( \text{[Input Box]}, \text{[Input Box]} ) \]
**b) What is the margin of error** of this interval?
The margin of error is \[ \text{[Input Box]} \].
**c) Interpret your findings.**
You can be 96% confident that the population mean is somewhere between \[ \text{[Dropdown Menu]} \].
**Options in the dropdown menu:**
- 78 and 92
- 81 and 90
- 82 and 88
- 83 and 85
**d) Is the true population mean likely to be an A (90 or more)?** \[ \text{[Dropdown Menu]} \]
**Dropdown Menu Responses:** Yes/No
**eTextbook and Media:**
[Additional resources or media related to the topic can be listed here.]
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