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As a student or a teacher, it is important to know how to compute stanine. Stanine is a statistical measure that enables educationists to evaluate the performance of students in a particular subject or assessment. Since the introduction of BECE in the educational system, computing stanine has become an integral part of this examination. In this article, we will guide you through the easy steps of computing stanine with examples.

Easy Steps to Compute Stanine with Examples

First, it is crucial to understand that stanine is a standard score ranging from 1 to 9, with a mean of 5 and a standard deviation of 2. Therefore, computing stanine involves three easy steps.

Step 1: Rank the scores from the highest to the lowest.

For example, let’s say we have ten students who took a Mathematics test, and their scores are arranged from the highest to the lowest as follows; 85, 80, 75, 70, 68, 65, 60, 55, 50, and 45.

Step 2: Obtain the number of scores for each stanine category using the following percentages.

To assign scores to each stanine, we need to use the following percentages:

ResultRanking: 4% , 7% , 12%,  17%,  20%,  17%,   12%,   7%,        4%

Stanine:              9,      8,       7,      6,       5,         4,         3,       2,        1

For example, using the above percentages, we can obtain the number of scores for each stanine category as follows:

Stanine 9: 1 student (4% of 10)
Stanine 8: 1 student (7% of 10)
Stanine 7: 1 student (12% of 10)
Stanine 6: 2 students (17% of 10)
Stanine 5: 2 students (20% of 10)
Stanine 4: 2 students (17% of 10)
Stanine 3: 1 student (12% of 10)
Stanine 2: 1 student (7% of 10)
Stanine 1: 1 student (4% of 10)

Step 3: Assign scores to each stanine.

Now that we have obtained the number of scores for each stanine, we can assign scores to each stanine. The mean score for each stanine is 5, and the standard deviation is 2. Therefore, we can assign scores to each stanine as follows:

Stanine 9: 9
Stanine 8: 8
Stanine 7: 7
Stanine 6: 6
Stanine 5: 5
Stanine 4: 4
Stanine 3: 3
Stanine 2: 2
Stanine 1: 1

By following the above steps, we can compute stanine for any subject or assessment.

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In conclusion, computing stanine is an essential aspect of evaluating the performance of students in any subject or examination. By mastering the art of computing stanine, we can provide accurate and reliable information about the performance of students. The steps outlined above are easy to follow and can be used to compute stanine in any academic or educational setting.