(Funny Video)
When the ‘Z’ score question arose the Minister was faced to make a mockery of things. Hitler was at the helm adopted a method in resolving using a peculiar method has been shown in a ridiculed video by our web site.
He had selected a group of supporters who could go to boutique nude. Then how Hitler then advised them how this should be interpreted is shown in this video.
Please keep in mind if one is to enjoy the AL conflict has to forget English, but to follow it in Sinhala sub captions. Below is the funny video.
What is shown below is that video:
The Methodology used in z -score calculation is wrong. Statistically it is impossible to pool two different student populations with a combine mean, when there are two examination papers with dissimilar means. A Z score is used to measure a student’s performance compared to his peers. When a combine mean is used the correct position of the student is not reflected in the results. When the mean of the two groups are not similar they should be taken separately.
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