Median for Grouped Data
Trending Questions
Find the median class for the given distribution:
Weekly Wages (in Rs.)0−100100−200200−300300−400400−500No. of Workers4039343045
200-300
300-400
100-200
400-500
The median for the data is :
IQ60−7070−8080−9090−100100−110110−120120−130No. of pupils2351614137
103.26
102.86
98.46
97.47
The median class for the following data is ____.
Height (in cm)Less than 140Less than 145Less than 150Less than 155Less than 160Less than 165No. of girls41129404651
- 155-160
- 145-150
- 150-155
- 140-145
The following are the marks obtained in Science by students in class X.
The mean was calculated to be 63.33.
Is this mean an appropriate representation of the average marks obtained?
If no, what would be the most appropriate measure of central tendency for the correct representation of the marks distribution?
What is the value of this measure of central tendency for the given data?
MarksFrequency10−20120−30030−40040−50050−60160−70570−801580−902090−1003
No, median, value of median = 80.12
No, mode, value of mode = 85
Yes, mean is the best measure of an average
Yes, the value of mean represents this data the best
Find the median class for the below distribution.
ClassCumulative frequency10−20320−301730−402440−503350−6051
- 30 - 40
- 40 - 50
- 50 - 60
- 20 - 30
The following frequency distribution gives the monthly consumption of electricity of 68 consumers of a locality.
Find the median of the data.
Monthly consumption (in units)Numbers of customers65−85485−1055105−12513125−14520145−16514165−1858185−2054
137
140
147
132
Draw a Ogive for the following distribution which shows the marks of 100 students, then find the median
Marks0-1010-2020-3030-4040-5050-6060-7070-80Number of students 5102025151294
8
9
6
7
Find the median class for the given distribution:
Weekly Wages (in Rs.)0−100100−200200−300300−400400−500No. of Workers4039343045
100-200
400-500
300-400
200-300
The length of 40 leaves of a plant are measured correct to the nearest millimeter, and the data obtained is represented in the following table.
Length (in mm)Number of leaves118−1263127−1355136−1449145−15312154−1625163−1714172−1802
Find the median length of leaves.
- 123.45
- 143.55
- 146.75
- 134.75
100 surnames were randomly picked up from a local telephone directory & the frequency distribution of the number of letters in the English alphabets in the surname was obtained as follows.
Number of letters1−44−77−1010−1313−1616−19Number of surnames630401644
Determine the median number of letters in the surnames.
- 8.05
- 9.05
- 10.05
- 7.55