Find the mean of the following data? {:(class interval,0-10,10-20,20-30,30-40,40-50),(frequency...

Find the median of the following data: {:("Class Interval",0-10,10-20,20-30,30-40,40-50),(f,6,8,5,4,7):}

Calculate mode from the following data : {:("Class Interval",0-10,10-20,20-30,30-40,40-50),("Frequency"," "2," "5," "7," "5," "2):}

Given data shows marks of 32 students in an examination. Mean of the marks will be {:("Class interval",0-10,10-20,20-30,30-40,40-50),("Frequency",12,6,8,4,2):}

Calculate median of the following of data : {:("Class Interval",0-5,5-10,10-20,20-30,30-50,50-70,70-100),("Number of Students"," "12," "15," "25," "40," "42," "14," "8):}

Find out median marks from the following data : {:("Marks",0-10,10-20,20-30,30-40,40-50),("Number of Students"," "8," "30," "40," "12," "10):}

Find out the arithmetic mean by the Step-deviation Method of the following: {:("Class Interval",0-10,10-20,20-30,30-40,40-50,50-60,60-70,70-80),("Frequency "," "12," "16," "32," "52," "42," "32," "18," "12):}

Consider the following frequency destribution : {:("Class interval",0-10,10-20,20-30,30-40,40-50),("Frequency",14,x,27,y,15):} If the total of the frequencies is 100 and mode is 25, then which one of the following is correct?

What is the standard deviation of the following data ? {:("Measurement",0-10,10-20,20-30,30-40),("Frequency",1,3,4,2):}

Find the mean deviation from the mean of the following data: Classes:,10-20,20-30,30-4040-50,50-60,60-70,70-80 frequency,2,3,8,14,8,3,2