Exercise 4

# Exercise 4 - Assessing normality of knowledge Table1...

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Assessing normality of knowledge Table1: Assumption of Normality of Knowledge Descriptives Statistic Std. Error Knowledge Mean 25.2661 .41825 95% Confidence Interval for Mean Lower Bound 24.4370 Upper Bound 26.0951 5% Trimmed Mean 25.3160 Median 26.0000 Variance 19.067 Std. Deviation 4.36663 Minimum 14.00 Maximum 36.00 Range 22.00 Interquartile Range 6.00 Skewness -.278 .231 Kurtosis -.040 .459 Table 2: Tests of Normality of Knowledge Kolmogorov-Smirnov a Shapiro-Wilk Statistic df Sig. Statistic df Sig. Knowledge .126 109 .000 .981 109 .117 a. Lilliefors Significance Correction

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Figure 1: Histogram Level of Knowledge
Knowledge Stem-and-Leaf Plot Frequency Stem & Leaf .00 1 . 2.00 1 . 45 3.00 1 . 667 7.00 1 . 8888999 11.00 2 . 00001111111 9.00 2 . 222223333 16.00 2 . 4444444444444445 28.00 2 . 6666666666677777777777777777 17.00 2 . 88888888889999999 10.00 3 . 0000000111 3.00 3 . 223 2.00 3 . 45 1.00 3 . 6 Stem width: 10.00 Each leaf: 1 case(s) Figure 2: Stem and Leaf Level of Knowledge

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Figure 3: Normality Q-Q Plot of Knowledge
Figure 4: Detrended Normal Q-Q Plot of Knowledge

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Figure 5: Boxplot level of Knowledge
Question 1: Is there a significant and strong correlation between the total overall intention levels with knowledge?

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