Draw a histogram representing the following information `:`
`{:("NAV( Rupees)",8-10,10-12,12-14,14-16,16-18),("Number of mutual funds",20,40,30,25,15):}`

Draw a histogram to represent the following information : Scale : X-axis : 1 cm = Rs. 2, Y-axis : 1 cm = 5 MF {:("Class Nav (Rs.)",10-12,12-14,14-16,16-18),("Number of MF"," "40," "30," "25," "20):}

Draw a histogram to represent the following {:("Class interval ", 0-8,8-16,16-24,24-32,32-40),(" Frequency "," "6, " "9, " "12 , " "10, " "5):}

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):}

Arrange the following ratios in ascending order: 15:14, 8:12, 7:10 & 16:18

Find the mean of 6,8,10,12,14,16,18,20 ,22

Find the mean for each of the following sets 3,10,10,12,14,16,16,18,18,25

Estimate the mode of the following data from the histogram. {:("Class Interval",0-10,10-20,20-30,30-40,40-50,50-60,60-70,70-80),("Frequency",8,10,15,16,20,13,14,12):}

Find the variance of the following data : 6, 8, 10, 12, 14, 16, 18, 20, 22, 24.