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Use this data to help answer these questions  6. What is  Negative skew associated with this study? 7. Ws the analysis significant and how do you know

Use this data to help answer these questions  6. What is  Negative skew associated with this study? 7. Ws the analysis significant and how do you know

MATLAB: An Introduction with Applications
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 this data to help answer these questions 

6. What is  Negative skew associated with this study?

7. Ws the analysis significant and how do you know 

Group Grade Valid N (listwise) N Descriptive Statistics 21 21 21 Minimum Maximum 1.00 3.00 12.00 99.00 Mean 2.0000 70.5714 Std. Deviation .83666 25.67016
Transcribed Image Text:Group Grade Valid N (listwise) N Descriptive Statistics 21 21 21 Minimum Maximum 1.00 3.00 12.00 99.00 Mean 2.0000 70.5714 Std. Deviation .83666 25.67016
Group Between Groups Within Groups Total Sum of Squares 14.000 .000 14.000 ANOVA df 18 2 20 Mean Square .778 .000 F Sig.
Transcribed Image Text:Group Between Groups Within Groups Total Sum of Squares 14.000 .000 14.000 ANOVA df 18 2 20 Mean Square .778 .000 F Sig.
Expert Solution
Step 1: Description of negative skew in the context of problem

Q-6

Since the

  • mean grade = 70.5714
  • maximum grade = 99
  • minimum grade = 12

The negative skew associated with this study is that the distribution of grades is skewed to the left, with a majority of students receiving high grades and a smaller number of students receiving low grades.

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