Organise the following grades in a class assessment in a tabular form:4,6,7,5,3,5,4,5,8,6,2,5,1,9,6,7,8,4,6,7 find the arthimetic mean of grades. Also find the highest grade,the lowest grade and the range of the data
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Answer:
mean =
Step-by-step explanation:
5.4
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