mark of 12student in anit test are given as 4,21,13,17,5,9,10,20,19,12,2014.Assume a mean and calculate the arithmetic mean of data. Assume another number as mean and calculate the arithmetic mean again. Do you get the same result? comment .
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an ionic compound is a chemical compound composed of ions held together by electrostatic forces termed ionic bonding. The compound is neutral overall, but consists of positively charged ions called cations and negatively charged ions called anions.
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