`5554-333+45=?+2525`

From the following frequency distribution, prepare the 'less than' ogive. {:("Rainfall (in cm)",5-15,15-25,25-35,35-45,45-55,55-65),("Number of days",22,10,8,15,5,6):}

Sachin made the following runs in different matches: {:("Runs",5-15,15-25,25-35,35-45,45-55),("Frequency"," "10," "12," "17," "19," "22):} Calculate the average mean of the runs by Step-deviation Method.

Find out median wage rate from the following data - set : {:("Wage Rate (Rs.)",5-15,15-25,25-35,35-45,45-55,55-65),("Number of Workers"," "4," "6," "10," "5," "3," "2):}

Find the missing frequency f for the following data if the mode for the data is 39 : {:("Class ",5-15,15-25,25-35,35-45,45-55,55-65,65-75),("Frequency "," "2," "3," "f," "7," "4," "2," "2):}

(55.25)^(2)-637.5625=? (a) 25.25 (b) 625 (c) 1375 (d) 2415 (e) None of these

Calculate the median value , given the following statistical information : {:("Age",20-25,25-30,30-35,35-40,40-45,45-50,50-55,55-60),("Number of Students"," "50," "70," "100," "180," "150," "120," "70," "60):}

Given the following data , find out median : {:("Age",20-25,25-30,30-35,35-40,40-45,45-50,50-55,55-60),("Number of Students"," "50," "70," "100," "180," "150," "120," "70," "60):}

Calculate the mean marks from the following data: {:("Marks",20-25,25-30,30-35,35-40,40-45,45-50,50-55),("No. of Students"," "10," "12," "8," "20," "11," "4," "5):}