निम्नलिखित डेटा को देखते हुए, माध्य ज्ञात करें: {:(आयु,20-25,25-30,30-35,35-40,40-45,45-50,50-55,55...

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):}

50 students of economics , secured the following marks in an examination : {:("Marks",20-25,25-30,30-35,35-40,40-45,45-50,50-55,55-60,60-65,65-70),("Students"," "6," "3," "7," "4," "6," "4," "2," "8," "3," "7):} Caculate median.

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):}

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):}

Calculate arithmetic mean from the following data by Short-cut Method: {:("Class Interval",20-25,25-30,30-35,35-40,40-45,45-50,50-55),("Frequency"," "10," "12," "8," "20," "11," "4," "5):}

The age distribution of 400 persons in a colony having median age 32 is given below: {:("Age (in years) :", 20-25,25-30,30-35,35-40,40-45,45-50),("Frequency :", 110,x,75,55,y,30):} Then, x - y is

Calculate the mode from the following data : {:("Class Interval",20-24,25-29,30-34,35-39,40-44,45-49,50-54,55-59),("Frequency"," "3," "5," "10," " 20," "12," "6," "3," "1):}

The median from the following distribution is {:("Class" :,5-10,10-15,15-20,20-25,25-30,30-35,35-40,40-45),("Frequency":,5,6,15,10,5,4,2,2):}