Q. 94.2( 6 Votes )
The following is the distribution of weights (in kg) of 40 persons.
Construct a cumulative frequency distribution (of the less than type) table for the data above.
The cumulative distribution (less than type) table is shown below
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During the medical check-up of 35 students of a class, their weights were recorded as follows:
Draw a less than type ogive for the given data. Hence, obtain the median weight from the graph and verify the result by using the formula.RD Sharma - Mathematics
Draw an ogive to represent the following frequency distribution:
The annual profits earned by 30 shops of a shopping complex in a locality give rise to the following distribution:
Draw both ogives for the above data and hence obtain the median.RD Sharma - Mathematics
The following table gives production yield per hectare of wheat of 100 farms of a village:
Draw ‘less than’ ogive and ‘more than’ ogive.RD Sharma - Mathematics
The monthly profits (in Rs.) of 100 shops are distributed as follows:
Draw the frequency polygon for it.RD Sharma - Mathematics
The marks scored by 750 students in an examination are given in the form of a frequency distribution table:
Prepare a cumulative frequency table by less than method and draw an ogive.RD Sharma - Mathematics
The following are the ages of 300 patients getting medical treatment in a hospital on a particular day
(i) Less than type cumulative frequency distribution.
(ii) More than type cumulative frequency distribution.NCERT - Maths Exemplar
Find the unknown entries a,b,c,d,e and f in the following distribution of heights of students in a class
NCERT - Maths Exemplar
The annual rainfall record of a city for 66 days is given in the following table.
Calculate the median rainfall using ogives (or move than type and of less than type)NCERT - Maths Exemplar
50 students enter for a school javelin throw competition. The distance (in metre) thrown are recorded below
(i) Construct a cumulative frequency table.
(ii) Draw a cumulative frequency curve (less than type) and calculate the median distance drawn by using this curve.
(iii) Calculate the median distance by using the formula for median.
(iv) Are the median distance calculated in (ii) and (iii) same?NCERT - Maths Exemplar