Statistics (10)
Mean, median and mode of grouped data.
Calculate the median salary of the data
The table below shows the salaries of 280 persons
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The following table gives the monthly consumption of electricity of 100 families
The following table gives the monthly consumption of electricity of 100 families:
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The mode of the numbers 2, 3, 3, 4, 5, 4, 4, 5, 3, 4, 2, 6, 7 is
The mode of the numbers 2, 3, 3, 4, 5, 4, 4, 5, 3, 4, 2, 6, 7 is
...The following distribution gives the daily income of 50 workers of a factory
The following distribution gives the daily income of 50 workers of a factory: 
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The mean of the following distribution is 18. Find the frequency f of the class 19 - 21
The mean of the following distribution is 18. Find the frequency f of the class 19 - 21.
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Change the following data into less than type distribution
Change the following data into ‘less than type’ distribution and draw its ogive :
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Find the mean marks of the students
The marks obtained by 100 students in an examination are given below :
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Find the mode of the following frequency distribution
Find the mode of the following frequency distribution :
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