Question-41

The sample average of 60 data points is 35. After including a new data point with a value of 120, what is the updated sample average\(?\) (Answer the question correct to two decimal places.)

Hint

\(\overline{X} = \dfrac{\sum_{i=1}^{n}X_i}{n}\)

\(\implies \sum_{i=1}^{n}X_i = n \times \overline{X}\)

Answer

36.39

Solution