Use the sample mean(78.5)and sample standard deviation (12.3671)in your calculations below. Use appropriate symbols throughout. 21.How many standard deviations away from the mean is the student who had an overall grade average of 96? (chart attached if needed)
Use the sample mean(78.5)and sample standard deviation (12.3671)in your calculations below. Use appropriate symbols throughout. 21.How many standard deviations away from the mean is the student who had an overall grade average of 96? (chart attached if needed)
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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Use the sample mean (78.5)and sample standard deviation (12.3671)in your calculations below. Use appropriate symbols
throughout.
21.How many standard deviations away from the mean is the student who had an overall grade
average of 96? (chart attached if needed)

Transcribed Image Text:**Scenario:** Two researchers are examining academic success. They use the same set of 10 high school student participants, but they each measure academic success differently. Researcher 1 measures academic success by asking the participants to self-report which letter grade is most typical for them to receive on an assignment on the standard A through F scale. Researcher 2 measures academic success by accessing the students’ academic records and retrieving their overall grade average from the school’s system. The participants’ scores are shown below.
| Researcher 1: Typical Letter Grade | Researcher 2: Overall Grade Average |
|------------------------------------|-------------------------------------|
| B | 85 |
| A | 96 |
| C | 75 |
| B | 86 |
| A | 90 |
| D | 60 |
| D | 59 |
| B | 84 |
| B | 80 |
| C | 70 |
This table presents data from two researchers employing different methodologies to measure academic success among a consistent group of 10 high school students. Researcher 1 relies on self-reported typical letter grades, while Researcher 2 uses overall grade averages retrieved from school records.
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