Eric Nicholas K's answer to Annela's Secondary 4 E Maths Singapore question.
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Good evening Annela!!! Here is a sample idea of how to calculate standard deviation. You need to collect the data values for x and compute the following.
1. Total number of data values, n
2. Sum of all the x values, Ex
3. Compute the respective values of x2
4. Sum of all the x2 values, Ex2
5. Use the formula provided in the formula sheet
1. Total number of data values, n
2. Sum of all the x values, Ex
3. Compute the respective values of x2
4. Sum of all the x2 values, Ex2
5. Use the formula provided in the formula sheet
Date Posted:
5 years ago
Thank you so much
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