Question

if the number of observation of data is more or larger it is difficult to compute arthematic mean by​

Answer 1

Answer:

The average mark of students in the economics test is 56.2. If the number of observations in the data is more and/or figures are large, it is difficult to compute arithmetic mean by direct method. The computation can be made easier by using assumed mean method.

Explanation:

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Answer 2

Answer:

The average mark of students in the economics test is 56.2. If the number of observations in the data is more and/or figures are large, it is difficult to compute arithmetic mean by direct method. The computation can be made easier by using assumed mean method