The class interval of 64 - 66 is :
64
65
66
2
__________ is the most common method of presenting grouped frequency distribution.
Interval/ ratio
Dichotomous
Frequency polygon
Continuous
Bar diagram are more convenient for
Non-frequency data
Two - dimensional diagram
Diagram with no dimension
Frequency diagram
Pie charts are not drawn with ______ values of a category.
Absolute
Cumulative
Normal
All of the above
A histogram is a ___________ diagram.
One dimensional
Two dimensional
Three dimensional
Four dimensional
___________ are plotted along y-axis against class limits of the frequency distribution.
Cumulative proportion distribution
Cumulative frequency distribution
Tally
Cumulative percentage
Ogive is also called
Normal curve
Cumulative frequency curve
Mixed curve
Positively skewed curve
Individual series
Discrete series
Continuous series
None of these
Ogives can be helpful in locating graphically the :
Mode
Mean
Median
Mean deviation
From the diagram, we come to know that 20 is;
Standard deviation