Hellow, Web designers are requested to make a free access to public benefit.
1.Feed back received from any source provides a picture of the situation or people or students or viewers or customers depending upon the case.
From the data received draw a normal curve after calculating mean, SD and test it(t test, Ztest etc.). This gives a clear picture of negative and positive areas of the situation. Explaining you, whether normal or skewed. Very clearly one can manage a risk, or modify teaching methodology, broadcast appropriately to satify or attract viewers etc, as the case may be. But please note this donot apply for commercial advertisements
Regards
Dr.VCSRayudu, Rtd professor.
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