बारंबारता बंटनके लिए माध्य ज्ञात कीजिए। {:(वर्ग,0-10, 10-20, 20-30, 30-40, 40-50),(बारंबारता,5,8...

Find the missing frequency of the group 20-30 when the median is 28. {:("Class Interval",0-10,10-20,20-30,30-40,40-50),("Frequency"," "5," "8," "?," "16," "6):}

Calculate the mean devation from the mean the following data: {:(,"Marks",0-10,10-20,20-30,30-40,40-50),(,"No. of stu.",5,8,15,16,6):}

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):}

If the mode for the following frequency distribution is 22 and 10 gt y gt x, "them "y= {:("Class-interval:", 0-10,10-20,20-30,30-40,40-50,"Total"),("Frequency:", 5,8,10,x,y,30):}

Find the missing frequency of the group 20-30 when the median is 24. {:("Size",0-10,10-20,20-30,30-40,40-50),("Frequency"," "5," "25," "-," "18," " 7):}

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):}

The following table gives the marks scored by 100 students in an entrance examination. Marks:, 0-10, 10-20, 20-30, 30-40, 40-50, 50-60, 60-70, 70-80 No. of Students (Frequency):, 4, 10, 16, 22, 20, 18, 8, 2

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):}

Locate the median graphically from the following data : {:("Marks",0-10,10-20,20-30,30-40,40-50),("Number of Students"," "10," " 20," " 30," " 20," " 10):}

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