TNSB - 8 - Maths :: Data Handling

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[Contributor - Preethi Saravanakumar]

Objective: To teach students about data handling and presenting data in various forms

Subtopics to be covered:

1. Introduction
2. Recalling the Formation of Frequency Table (For Ungrouped/ Grouped data)
3. Drawing Histogram and Frequency Polygon for Grouped Data
4. Construction of Simple Pie chart
5. Measures of Central Tendency (Arithmetic Mean, Median and Mode)

Learning Outcome:

1. Students are able to draw histogram to represent the given data/ table.
2. Students are able to prepare a frequency table for the given data using class interval.
3. Students can draw a frequency polygon imposed on the histogram for a given distribution.
4. Students are able to to draw a frequency polygon without using histogram.
5. Students are able to construct a pie chart by using the measure of angle.
6. Students are able to draw a pie chart to represent given information.
7. Students can calculate Arithmetic Mean, Median and Mode.

[Contributor - Rini Jose]

https://drive.google.com/open?id=1XaFcK0bHiBPIghGkg9OYjQz2mcGFDZbD (English)

https://drive.google.com/open?id=1UdkwvL0duxLb_vIet8KBLMN4jV6ABxH2 (Tamil)

[Contributor - Kripa S]

http://www.math-only-math.com/images/tally-mark-table.jpg (tally marks)

http://www.learnersdictionary.com/media/ld/images/legacy_print_images/bar_graph.gif (bar graph)

[Contributor - 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

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