Q11 of 141 Page 8

Find the class marks of classes 10-25 and 35-55

We know, class marks of a class interval is



For 10-25


Lower limit = 10


Upper limit = 25


Class mark


For 35-55


Lower limit = 35


Upper limit = 55


Class mark


More from this chapter

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9

Write the median class for the following frequency distribution:

























Class-interval:



0-10



10-20



20-30



30-40



40-50



50-60



60-70



70-80



Frequency:



5



8



7



12



28



20



10



10


 10

In the graphical representation of a frequency distribution, if the distance between mode and mean is k times the distance between median and mean, then write the value of k.

 12

Write the median class of the following distribution:























Classes:



0-10



10-20



20-30



30-40



40-50



50-60



60-70



Frequency:



4



4



8



10



12



8



4


 1

Which of the following is not a measure of central tendency?