MATLAB: An Introduction with Applications
MATLAB: An Introduction with Applications
6th Edition
ISBN: 9781119256830
Author: Amos Gilat
Publisher: John Wiley & Sons Inc
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Question

What is the cumulative frequency of students that scored half of the points on the SAT?

choices:

1. none of the above/can't be determined

2. 26

3. 9

4. 55.5

5. 0.35

 

I already tried 2(26) and 5(0.35) but it was wrong.

Cook County is analyzing data on students' performance in the last SAT tests. They collected information for a particular high school with the following students' scores: Students scored between 91-100 percentile 81-90 percentile 71-80 percentile 61-70 percentile 51-60 percentile 41-50 percentile 31-40 percentile 21-30 percentile 11-20 percentile 1-10 percentile # of Students 2 4 14 14 15 9 8 5 4 0
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Transcribed Image Text:Cook County is analyzing data on students' performance in the last SAT tests. They collected information for a particular high school with the following students' scores: Students scored between 91-100 percentile 81-90 percentile 71-80 percentile 61-70 percentile 51-60 percentile 41-50 percentile 31-40 percentile 21-30 percentile 11-20 percentile 1-10 percentile # of Students 2 4 14 14 15 9 8 5 4 0
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