Eric Nicholas K's answer to Kathy's Secondary 4 E Maths Singapore question.
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For Q9c, if the new distribution has a smaller standard deviation, it means that the data points are more clustered about the mean value. So there are more data values near the centre. This is seen by a sudden spike in the gradient of the graph around the centre, because the frequency suddenly goes up by a lot at that area due to the large number of data points there.
For Q9c, if the new distribution has a smaller standard deviation, it means that the data points are more clustered about the mean value. So there are more data values near the centre. This is seen by a sudden spike in the gradient of the graph around the centre, because the frequency suddenly goes up by a lot at that area due to the large number of data points there.
Date Posted:
5 years ago
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