DSERT - 8 - Maths :: Statistics

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Go To: DSERT-Mathematics-Grade 8

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[Author - Kripa S]


Objective: Explain basics of statistics, how to draw a histogram

Subtopics to be covered:

- Revise basic concepts - data, observation, range, frequency, class intervals

- Construct frequency distribution table for exclusive and inclusive class intervals.

- Draw histogram for the given frequency distribution.

- Define mean, median and mode

- Calculate mean, median, mode for grouped and un-grouped data.

Learning Outcome:

- Students know the basics terms used in statistics

- They can read data and find the value for required terms

- They can draw a histogram for given data

- They can calculate mean, median, mode for a given data


[Author - Kripa S]


https://www.youtube.com/watch?v=5Yl8-QoNzXs (tally marks - English)

https://www.youtube.com/watch?v=QzcgSCmWcVo (mean, median, mode - English)


[Author - Kripa S]


1. Make a measuring scale on a wall till 180 cm. Measure the height of every student in your class on that scale.

Group students with same height. Make a table of length and number of students with same height (eg: 100 cm, 110 cm 120 cm…)

Find the range, mean and median of your class height.

Also, make a frequency table with class interval of 10 cm and make a fresh table of the data collected. Make a bar graph of this data and show the height of your class on a chart paper.

2. Collect last week's attendance attendance from your class. Make a table of how many students were present on the 6 days. (Monday, Tuesday, .... ). Check what is the average attendance of the class for the week

Draw a bar chart if you can on the attendance


[Contributor - Apoorva Ramachandra]

Term Transliterated Term Translated Term
Data ಡೇಟಾ ದತ್ತಾಂಶ
Range ರೇಂಜ್ ವ್ಯಾಪ್ತಿ
Frequency ಫ್ರೀಕ್ವೆನ್ಸಿ ಆವೃತ್ತಿ
Class Interval ಕ್ಲಾಸ್ ಇಂಟರ್ವಲ್ ವರ್ಗ ಮಧ್ಯಂತರ
Class limit ಕ್ಲಾಸ್ ಲಿಮಿಟ್ ವರ್ಗ ಮಿತಿ
Class Size ಕ್ಲಾಸ್ ಸೈಜ್ ವರ್ಗ ಗಾತ್ರ
Histogram ಹಿಸ್ಟೋಗ್ರಾಮ್ ಆಯತ ಚಿತ್ರ
Mean ಮೀನ್ ಸರಾಸರಿ
Median ಮೀಡಿಯನ್ ಮಧ್ಯಾ೦ತರ
Mode ಮೋಡ್ ಬಹುಲಕ
Median Class ಮೀಡಿಯನ್ ಕ್ಲಾಸ್ ಮಧ್ಯಾ೦ತರ ವರ್ಗ
Term' 'Transliterated Term' 'Translated Term'
Data ಡೇಟಾ ದತ್ತಾಂಶ
Range ರೇಂಜ್ ವ್ಯಾಪ್ತಿ
Frequency ಫ್ರೀಕ್ವೆನ್ಸಿ ಆವೃತ್ತಿ
Class Interval ಕ್ಲಾಸ್ ಇಂಟರ್ವಲ್ ವರ್ಗ ಮಧ್ಯಂತರ
Class limit ಕ್ಲಾಸ್ ಲಿಮಿಟ್ ವರ್ಗ ಮಿತಿ
Class Size ಕ್ಲಾಸ್ ಸೈಜ್ ವರ್ಗ ಗಾತ್ರ
Histogram ಹಿಸ್ಟೋಗ್ರಾಮ್ ಆಯತ ಚಿತ್ರ
Mean ಮೀನ್ ಸರಾಸರಿ
Median ಮೀಡಿಯನ್ ಮಧ್ಯಾ೦ತರ
Mode ಮೋಡ್ ಬಹುಲಕ
Median Class ಮೀಡಿಯನ್ ಕ್ಲಾಸ್ ಮಧ್ಯಾ೦ತರ ವರ್ಗ
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