Construct a frequency polygon for the following data:
`{:("Class Interval",5-10,11-16,17-22,23-28,29-34,"Total"),("Frequency",7,13,8,12,10,50):}`

The mode of the following distribution is {:("Class interval :",1-5,6-10,11-15,16-20,21-25),("Frequency :" ,4,7,10,8,6):}

The mode of the following distribution is {:("Class interval :",1-5,6-10,11-15,16-20,21-25),("Frequency :" ,4,7,10,8,6):}

Construct a frequency polygon for the following data. {:("Calss Interval","Frequency"),(10-14,5),(15-19,8),(20-24,12),(25-29,9),(30-34,4):}

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):}

Construct a combined histogram and frequency polygon for the following frequency distribution : {:("Calss Interval","Frequency"),(10-20,3),(20-30,5),(30-40,6),(40-50,4),(50-60,2):}

Caculate median of the following distribution of data : {:("Class Interval",1-10,11-20,21-30,31-40,41-50),("Frequency"," "4," "12," "20," "9," "5):}

Draw histograms for the following frequency distributions : {:("Class interval ", 10-16, 16-22, 22-28, 28-34, 34-40),("Frequency "," "15, " " 23, " " 30, " " 20, " " 16):}

Construct a histogram for the frequency distribution below: {:("Class Interval",10-20,20-30,30-40,40-50,50-60),("Frequency",6,3,8,4,7):}

Draw the frequency curve for the following data. {:("Class Interval",f),(" "2-5,12),(" "5-8,8),(" "8-11,8),(" "11-14,6),(" "14-17,10),(" "17-20,9):}