3 4 3 6 7 " 9 10 11 12 13 14 15 16 17 18 19 20 #1 2 1 24 es 26 Student 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 Is there a significant relationship between the NCAE percentile scores (x) and the GWA (y) of 20 students? NCAE (x) 83 71 61 88 85 85 80 70 65 80 81 76 82 70 80 82 70 60 90 85 77.2 GWA (Y) 81 76 86 93 90 85 90 75 75 99 97 90 88 85 82 80 75 85 95 99 863 Skewness Kurtosis Skewness (Sk) Value <-1.00 > +1.00 -1.00 to 0.5 +0.5 to +1.00 Kurtosis Value <0 (negative) 0 (or close to 0) +/-0.01 - +/-0.09 > 0 (positive) Correlation value 1.00 10.91-10.99 10.71 10.90 10.41 10.70 10.21-10.40 10.0110.20 0.00 Interpretation Highly negative skewed (N) Highly positive skewed (N) Moderately negative skewed (N) Moderately positive skewed (N) Interpretation Platykurtic (N) Mesokurtic (normal distribution is often assumed) (P) Leptokurtic (N) Interpretation perfect correlation very high correlation high correlation moderate correlation low correlation negligible correlation no correlation
3 4 3 6 7 " 9 10 11 12 13 14 15 16 17 18 19 20 #1 2 1 24 es 26 Student 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 Is there a significant relationship between the NCAE percentile scores (x) and the GWA (y) of 20 students? NCAE (x) 83 71 61 88 85 85 80 70 65 80 81 76 82 70 80 82 70 60 90 85 77.2 GWA (Y) 81 76 86 93 90 85 90 75 75 99 97 90 88 85 82 80 75 85 95 99 863 Skewness Kurtosis Skewness (Sk) Value <-1.00 > +1.00 -1.00 to 0.5 +0.5 to +1.00 Kurtosis Value <0 (negative) 0 (or close to 0) +/-0.01 - +/-0.09 > 0 (positive) Correlation value 1.00 10.91-10.99 10.71 10.90 10.41 10.70 10.21-10.40 10.0110.20 0.00 Interpretation Highly negative skewed (N) Highly positive skewed (N) Moderately negative skewed (N) Moderately positive skewed (N) Interpretation Platykurtic (N) Mesokurtic (normal distribution is often assumed) (P) Leptokurtic (N) Interpretation perfect correlation very high correlation high correlation moderate correlation low correlation negligible correlation no correlation
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
Please answer the photo attached. Please provide formula too.
Lecture in the photo attached
Transcribed Image Text:1
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Student
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26
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8
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24 Column 1
25 Column 2
Midterm (x)
82
70
60
90
85
85
80
70
65
80
82
74
82
70
78
76.86666667
Column 1
0.573207063
Final Grades (y)
80
75
85
95
90
85
90
75
75
99
98
88
88
85
80
85.86666667
Column 2
Skewness
Kurtosis
0.573207
-0.207887461
0.010694036
Skewness (Sk) Value
< -1.00
> +1.00
- 1.00 to -0.5
+0.5 to +1.00
-0.5 to +0.5
Kurtosis Value
<0 (negative)
0 (or close to 0)
+/-0.01 - +/-0.09*
> 0 (positive)
Correlation value
± 1.00
10.91±0.99
Interpretation
Highly negative skewed (N)
Highly positive skewed (N)
Moderately negative skewed (N)
Moderately positive skewed (N)
Approximately symmetric (P)
Interpretation
Platykurtic (N)
Mesokurtic (normal
distribution is often
assumed) (P)
Leptokurtic (N)
Interpretation
perfect correlation
very high correlation
high correlation
moderate correlation
low correlation
negligible correlation
no correlation
10.71 10.90
+0.41 -10.70
10.21 10.40
10.01- 10.20
0.00
Lecture
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Student
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20
Is there a significant relationship between the NCAE percentile scores (x) and the GWA (y) of 20
students?
NCAE (x)
83
71
61
88
85
85
80
70
65
80
81
76
82
70
80
82
70
60
90
85
77.2
GWA (Y)
81
76
86
93
90
85
90
75
75
99
97
90
88
85
82
80
75
85
95
99
86.3
Skewness
Kurtosis
Skewness (Sk) Value
< -1.00
> +1.00
- 1.00 to -0.5
+0.5 to +1.00
Kurtosis Value
<0 (negative)
0 (or close to 0)
+/-0.01 +/-0.09*
> 0 (positive)
Correlation value
1.00
10.91-10.99
10.71 10.90
10.41 10.70
10.21-10.40
20.0110.20
0.00
Interpretation
Highly negative skewed (N)
Highly positive skewed (N)
Moderately negative skewed (N)
Moderately positive skewed (N)
Interpretation
Platykurtic (N)
Mesokurtic (normal
distribution is often
assumed) (P)
Leptokurtic (N)
Interpretation
perfect correlation
very high correlation
high correlation
moderate correlation
low correlation
negligible correlation
no correlation
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