Statistics Test...

A student collects information about the number of school going children in a locality consisting of a hundred households. The data collected by him is

To analyse the election results, the data is collected from a newspapers. The data thus collected is known as

Which of the following variables are discrete ? 1. Size of shoes, 2. Number of pages in a book, 3. Distance travelled by a train, 4. Time

For a given data, the difference between the maximum and minimum observation is known as its

In an examination, ten students scored the following marks: 60, 58, 90, 51, 47, 81, 70, 95, 87, 99. The range of this data is

The range of the data 20, 8, 20, 18, 16, 15, 30, 12, 22, 6, 11, 17, 25, 32, 10, 19 is

A data is such that its maximum value is 75 and range is 20, then the minimum value is

The minimum value of a data is 82 and range is 38, then the maximum value is

In a grouped frequency distribution, the class intervals are 0-10, 10-20, 20-30, .., then the class width is

In a grouped frequency distribution, the class intervals are 1-20, 21-40, 41-60, . . , then the class width is