Worksheet on Estimating Median and the Quartiles using Ogive

In worksheet on estimating median and the quartiles using ogive we will solve various types of practice questions on measures of central tendency. Here you will get 4 different types of questions on estimating median and the quartiles using ogive.

1. Using the data given below, construct the cumulative-frequency table and draw an ogive. From the given determine the median.

2. The table given below shows the monthly salary of some employeed of a company, the lowest salary being $6,500. Salary (in Dollar) Under 7000 Under 7500 Under 8000 Under 8500 Under 9000 Under 9500 Under 10000 No. of Employees 10 18 22 25 17 10 8 (i) Use the table to to form its cumulative-frequency curve. Take 2 cm =$ 500, starting the ogive at $6500 on the x-axis, and 2 cm = 10 employees on the y-axis. (ii) Use the graph to write down the median salary in rupees. 3. A frequency distribution of lengths of sticks in a bundle is given below. Class mark (in cm) 5 15 25 35 45 55 65 Frequency 10 17 12 9 11 18 7 Prepare a classified frequency distribution. Display it by an ogive and use it to find the median length of the sticks. 4. The following histogram displays a frequency distribution. Draw an ogive of the distribution and estimate the median. Answers on Worksheet on Estimating Median and the Quartiles using Ogive are given below to check the exact answers of the questions. Answers 1. Marks Under 10 Under 20 Under 30 Under 40 Under 50 Under 60 Under 70 Under 80 No. of Workers 3 11 23 37 47 53 58 60 Median = 35 marks 2. (ii)$8,100

3.

Class interval (in cm)

0 - 10

10 - 20

20 - 30

30 - 40

40 - 50

50 - 60

60 - 70

Frequency

10

17

12

9

11

18

7

Median = 33 cm

4. 69

From Worksheet on Estimating Median and the Quartiles using Ogive to HOME PAGE

Didn't find what you were looking for? Or want to know more information about Math Only Math. Use this Google Search to find what you need.

Recent Articles

1. Arranging Numbers | Ascending Order | Descending Order |Compare Digits

Sep 15, 24 04:57 PM

We know, while arranging numbers from the smallest number to the largest number, then the numbers are arranged in ascending order. Vice-versa while arranging numbers from the largest number to the sma…

2. Counting Before, After and Between Numbers up to 10 | Number Counting

Sep 15, 24 04:08 PM

Counting before, after and between numbers up to 10 improves the child’s counting skills.

3. Comparison of Three-digit Numbers | Arrange 3-digit Numbers |Questions

Sep 15, 24 03:16 PM

What are the rules for the comparison of three-digit numbers? (i) The numbers having less than three digits are always smaller than the numbers having three digits as:

4. 2nd Grade Place Value | Definition | Explanation | Examples |Worksheet

Sep 14, 24 04:31 PM

The value of a digit in a given number depends on its place or position in the number. This value is called its place value.