The value arrived by dividing the sum of observations by the total number of observations is called as -

Correct option is A

· Correct answer: (a) Mean
· The mean is the statistical average, found by dividing the sum of all observations by the total number of observations.
Other options:
· (b) Median: The median is the middle value of a data set, not the average.
· (c) Mode: The mode is the value that appears most frequently in the data set.
· (d) Correlation: Refers to the statistical relationship between two variables, not the average of observations.