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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
Let minimum value be x ,
So,
75  x = 20
x = 75  20
x = 55
The minimum value o a data is 82 and range is 38, then the maximum value is
In a grouped frequency distribution, the class intervals are 010, 1020, 2030, .., then the class width is
In a grouped frequency distribution, the class intervals are 120, 2140, 4160, . . , then the class width is
Class size of a distribution having 28, 34, 40, 46 and 52 as its class marks is
Given the class intervals 010, 1020, 2030,…, then 10 is considered in class
Given the class intervals 110, 1120, 2130, …, then 20 is considered in class
The class marks of a frequency distribution are as given below: 38, 43, 48, 53, 58. The class corresponding to the class mark 43 is
Class mark of a particular class is 9.5 and the class size is 6, then the class interval is
The class size of a distribution is 25 and the first class interval is 200224. Then, the class marks of first two class intervals are
In a frequency distribution, the midvalue of a class is 60.5 and the width of the class is 10. The lower limit of the class is
The width of each of five continuous classes in a frequency distribution is 5 and the lower class limit of the lowest class is 10. The upper class limit of the highest class is
In a bar graph, 0.25 cm length of a bar represents 100 people. Then, the length of bar which represents 2000 people is
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