Is there a significant difference between the pretest and posttest scores of the Grade 12 learners after the utilization of learning aid module in Mathematics? Student 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 Pretest 9 3 15 20 20 20 33 34 36 36 36 36 35 34 21 20 22 15 7 8 Posttest 44 45 46 46 47 48 43 44 65 70 81 45 54 48 61 44 45 46 46 47 Skewness Kurtosis 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) 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)
Is there a significant difference between the pretest and posttest scores of the Grade 12 learners after the utilization of learning aid module in Mathematics? Student 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 Pretest 9 3 15 20 20 20 33 34 36 36 36 36 35 34 21 20 22 15 7 8 Posttest 44 45 46 46 47 48 43 44 65 70 81 45 54 48 61 44 45 46 46 47 Skewness Kurtosis 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) 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)
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.3: Measures Of Spread
Problem 1GP
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Please answer the photo attached. And provide the formula also
Transcribed Image Text:Is there a significant difference between the pretest and posttest scores of the Grade 12 learners
after the utilization of learning aid module in Mathematics?
Student
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
Pretest
9
3
15
20
20
20
33
34
36
36
36
36
GN82223
35
34
21
20
15
7
8
Posttest
44
45
46
46
47
48
43
44
65
70
81
45
54
48
51
44
45
46
46
47
Skewness
Kurtosis
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)
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)
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