Home
Class 11
MATHS
Find the 20^(th) percentile of the follo...

Find the `20^(th)` percentile of the following data :
`{:("Height (in cm)",135,140,145,150,155,160,165,170),("No. of students",7,20,32,48,36,28,24,4):}`

Text Solution

Verified by Experts

The correct Answer is:
145 cm
Promotional Banner

Topper's Solved these Questions

  • MODEL TEST PAPER - 20

    ICSE|Exercise SECTION - B |10 Videos

  • MODEL TEST PAPER - 17

    ICSE|Exercise SECTION -C|10 Videos

  • MODEL TEST PAPER - 9

    ICSE|Exercise SECTION - C |9 Videos

Similar Questions

Explore conceptually related problems

Find the mean height of 65 boys from the following data : {:("Height (in cm)",142,144,146,148,150,152),("Number of boys",10,13,12,7,17,6):}

The following table shows the heights of 50 students of a class : {:("Height (in cm)",152,148,150,153,149,151,147),("Number of students",8,3,4,7,12,10,6):} Find the mean and the median. Using empirical formula, calculate its mode.

Find the mean for the following data. {:("Marks obtained",10-20,20-30,30-40,40-50,50-60,60-70),("Number of students",8,6,12,5,2,7):}

The heights (in cm) of 35 students of a class are given below : {:("Height (in cm)",157,152,153,154,155,156),("Number of students",7,4,3,5,9,7):} Find the median height.

Find the mode of the following data: 25,16,19,48,19,20,34,15,19,20,21,24,19,16,22,16,18,20,16,19

The following is the distribution of height of students of a certain class in a certain city: {: ("Height (in cms)", 160-162 163-165 166-168 169-171 172-174), ("No. of students", 15 118 142 127 18):} Find the median height.

The median from the following data is {:("Mid-value","Frequency"),(115,6),(125,25),(135,48),(145,72),(155,116),(165,60),(175,38),(185,22),(195,3):}

The following data give the distribution of heights of students : {:(underset(("in cm"))"Height",160,150,152,161,156,154,155),(underset("students")"Numbers of ",12,8,4,4,3,3,7):} The median of the distribution is

The following data gives the distribution of height of students : {:(underset(("in cm"))"Height",160,150,152,161,156,154,155),(underset("students")"Numbers of ",12,8,4,4,3,3,7):} The median of the distribution is