[hline" Variable ",0-10,10-20,20-30,3040],[hline" Frequency ",1,3,4,2],[hline]

The median class in the following frequency distribution is {:("Class interval :",0-10,10-20,20-30,30-40,40-50),("Frequency :",12,13,25,20,10):}

The median class in the following frequency distribution is {:("Class interval :",0-10,10-20,20-30,30-40,40-50),("Frequency :",12,13,25,20,10):}

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

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

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):}

What is the standard deviation of the following data ? {:("Measurement",0-10,10-20,20-30,30-40),("Frequency",1,3,4,2):} (a) 81 (b) 7.6 (c) 9 (d) 2.26

What is the standard deviation of the following data ? {:("Measurement",0-10,10-20,20-30,30-40),("Frequency",1,3,4,2):} (a) 81 (b) 7.6 (c) 9 (d) 2.26

Draw histograms for the following frequency distributions : {:("Class interval ", 0-10, 10-20, 20-30, 30-40, 40-50, 50-60),("Frequency "," "12, " " 20, " " 26, " " 18, " " 10, " " 6):}

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?

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):}