Median of Continuous Series
Trending Questions
The following table gives production yield in kg per hectare of wheat of 150 farms in a village. Calculate the mean, median and mode production yield.
Production Yield50−5353−5656−5959−6262−6565−6868−7171−7474−77(kg per hectare)Number of Farms381430362816105
Give the formula for finding out median of a continuous series.
Why the Mean is important?
If the median of the following data is 50, then find p.
Class0-2020-4040-6060-8080-100Frequency10716p8
8
6
7
9
Marks0−1010−3030−6060−8080−90Number of students5f130f22
- f1=16, f2=9
- f1=15, f2=8
- f1=8, f2=15
- f1=18, f2=7
The below table shows the profit made by a group of shops in mall. Then the median is
Profit per shop less than (%)102030405060No. of shops1230577794100
26.8
23.7
27.4
31.2
The median for grouped data is found by using the formula:
L + (
) 
hL - (
) 
h.L + (
) 
h.L +
Number of hours100−120120−140140−160160−180180−200Number of students192830167
128
133
138
142
The median for the data is
IQ60−7070−8080−9090−100100−110110−120120−130No. of pupils2351614137
102.86
98.46
103.26
97.47
The following data gives the placement statistics for a college. The annual salaries of 100 students (in lakhs) are tabulated along with the number of students in each salary bracket. You want to find the salary of a typical student, ignoring the extreme values. Identify the measure of central tendency appropriate for this purpose and calculate it.
Salary Bracket(in lpa)0−55−1010−1515−2020−2525−30No. of students382420963
Median, 7.5 lakhs
Mean, 7.5 lakhs
Mean, 9 lakhs
Median, 9 lakhs
The lifetimes of 100 light bulbs are tabulated below. Find the median lifetime.
Lifetime (in hours)Frequency0−20720−401340−602060−801880−10016100−12010120−1407140−1609
68.3 hours
71.1 hours
75.6 hours
81.4 hours
Find the median class for the given distribution:
Weekly wages (in Rs.)0−100100−200200−300300−400400−500No. of workers4039343045
300-400
100-200
400-500
200-300
Find the median of the following :
Class Interval0−1010−3030−6060−8080−90Frequency5152583
The median class for the given data is
Height (in cm) Less than 140 Less than 145 Less than 150Less than 155Less than 160Less than 165No. of girls41129404651
145-150
150-155
155-160
160-165
The median class for the following data is
MarksBelow 10Below 20Below 30Below 40Below 50 No. of students 510233140
10-20
20-30
30-40
40-50
Wages in (Rs.)200−300300−400400−500500−600600−700No. of Labourers3520106
- 300
- 420
- 400
- 470
ClassCumulative frequency10−20320−301730−402440−503350−6051
- 30-40
- 50-60
- 20-30
- 40-50
