The data given below refers to the marks gained by a group of students:
Then the no. of students getting marks more than 30 would be ______________.
There were 200 employees in an office in which 150 were married. Total male employees were 160 out of which 120 were married. What was the number of female unmarried employees?
From which graphical representation, we can calculate partition values?
For the class 2030, cumulative frequency is
Difference between the maximum and minimum value of a given data is called
The best method of presentation of data is
A pie diagram is used to represent the following data:
The central angles in the pie diagram corresponding to income tax and wealth tax respectively:
The following data relates to the marks of a group of students.
Marks No. of Students
More than 70% 07
More than 60% 18
More than 50% 40
More than 40% 60
More than 30% 75
More than 20% 100
How many students have got marks less than 50%?
Correct Answer : a
Explanation : 40 students got marks more than 50%
Let Total students = 100
Students got marks less than 50% = 100  40
= 60 students.
If calss interval is 1014, 1519, 2024, then the first class is
Which of the following is not a two dimensional diagram?
The difference between the upper and lower limit of a class is called ___________.
To draw Histogram, the frequency distribution should be:
Cost of Sugar in a month under the heads raw materials, labour, direct production and others were 12, 20, 35 & 23 units respectively. The difference between their central angles for the largest & smallest components of the cost of Sugar is
Since we have given that
12, 20, 35, 23 units.
Total units would be
12 + 20+ 35 + 23 = 90 Units
Difference between largest and smallest components is given by
35  12 = 23
So, the central angle for the difference would be
What is a exclusive series?
The breadth of the rectangle is equal to the length of the class interval in
The frequency of class 2030 in the following data
Frequency Density can be termed as:
The Graphical representation by which median is calculated is called
Arrange the following dimension wise : piediagram, bardiagram and cubic diagram.
For the overlapping classes 010, 1020, 2030 etc. The class mark of the class 010 is
In Histogram, the classes are taken
The curve obtained by joining the points, whose xcoordinates are the upper limits of the classintervals and y coordinates are corresponding cumulative frequencies is called
For nonoverlapping classes 019, 2039, 4059 the class mark of the class 019 is
The Chronological classification of data are classified on the basis of:
An ogive can be prepared in ____________different ways.
Diagrammatic representation of the cumulative frequency distribution is
For overlapping classintervals the class limit & class boundary are
Classification is of
Upper boundary of any class coincides with the lower boundary of the next class.
For obtaining frequency polygon we join the successive points whose abscissa represent the corresponding class frequency________
Excepting the first and the last, all other class boundaries lie midway between the upper limit of a class and the lower limit of the next higher class.
Difference between the maximum & minimum value of a given data is called
When one end of a class is not specified, the class is called
The lower extreme point of a class of called
When the width of all classes is same, frequency polygon has not the same area as the Histogram.
To find the mode graphically
When all classes have equal width, the heights of the rectangles in Histogram will be numerically equal to the
Histogram emphasizes the widths of rectangles between the class boundaries.
The difference between the upper boundary and the lower boundary of a class is called
Class size is the difference between the upper boundary and the lower boundary of the class.
Which of the following can be determined by using the Ogive curve?
Both median and quartiles can be determined from the Ogive curve.
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