CBSE Class 9 - Measures of Central Tendency Videos

• Observations of a raw data are 5,28,15,10,24. Add four more numbers so that mean and median of the data remain the same, but mode increases by 1.
• The most occurring frequency observation from data is called........ 
• The following observations have been arranged in ascending order. If the median of the data is 63, find the value of x. 29, 32, 48, 50, x, x + 2, 72, 78, 84, 95
• find a new mean if 2,4 is added and 5 is subtracted from data of mean 20 and terms 100
• how to find mean , median , mode
• If class mark is 10 and class width is 6 then find the class  
• For what value of x, is the mode of the following data 17?15,16,17,13,17,16,14,x,17,16,15,15
• 
• The mean of 68 numbers is 18. If each number is divided by 6, find the new mean. Find the relation between the new mean and the old mean.
• 

Queries asked on Sunday & after 7 pm from Monday to Saturday will be answered after 12 pm the next working day.