The Total solution for NCERT class 6-12
Answer - 1 : - Cumulative frequency distribution is not a graphical method.
Answer - 2 : -
Ogive is the graphical representation of cumulative frequency.
Answer - 3 : - A frequency polygon is constructed by plotting frequency of the class interval and mid value of the class.
Answer - 4 : - In histogram, the area of each rectangle is proportional to frequency of the corresponding class intervals.
Answer - 5 : - In the ‘less than’ type of ogive cumulative frequency is plotted against the upper limit of the concerned class interval,
Answer - 6 : - In histogram, the class intervals or the groups are taken along X-axisA
Answer - 7 : - A histogram is a pictorial representation of the grouped data in which class interval and frequency are respectively taken along horizontal axis and vertical axis.
Answer - 8 : - In a histogram each class rectangle is constructed with base as class intervals.