MATHS Fill in the blanks.

Median is one of the observations is the data if the number of observations is odd.

The probability of a sure event is 1.

The probability of an impossible event is 0.

The arithmetic mean of first 10 natural numbers is 5.5.

Mode of a data is the observation which occurs a maximum number of times in the given data.

The most common representative value of statistical data is the arithmetic mean of the data.

Double bar graphs help us in comparing two collection data at a glance.

In a bar graph, the height (or length) of a bar is equal to or proportional to the frequency of the corresponding observation.

The frequency of 9 is written symbolically as IIII using tally marks.

The number of times a particular observation occurs in a data is called frequency of that observation.