CLASS:VI

CHAPTER-DATA HANDLING

1. A dice is thrown 20 times and the number appearing is noted as follows
2. 3, 5, 4, 6, 2, 2, 1, 1, 5, 3, 1, 1, 6, 4, 5, 2, 5, 3, 5, 1
   Make a table presenting the above data using tally marks. Find the number that appeared
   1. the maximum no. of times
   2. the minimum no. of times
3. The weights of new born babies *in kg in a hospital are as follows.
   2.3, 2.2, 2.1, 2.7, 2.6, 3.0, 2.5, 2.9, 2.8, 3.1, 2.8, 2.5, 2.7, 2.9, 2.4
   1. Determine the weights in ascending order
   2. Determine the highest weight
   3. Find the range.
   4. How many babies weigh below 2.5 kg?
   5. How many babies weigh more than 2.5 kg?
4. A factory produces the foll no. of cycles for the first six months of a particular year. Draw a pictograph to show this.

   Month	January	February	March	April	May	June
   Bicycles	3000	3500	5000	7000	8000	10500

5. Say True or False:
   1. Diagrams and graphs help in analysis of data.
   2. The frequency 7 is represented as VII using tally marks.
   3. Bar graphs can be drawn only vertically.
   4. In a bar graph the width of the bars must be uniform.
   5. The number of times an observation is repeated is called an frequency.
   6. The arrayed data is the data arranged only in ascending order.
6. The following data shows the number of books in different subjects in a library.

   Subject	English	Hindi	Maths	Science	Tamil
   No of books	350	300	200	150	250

   Represent the above data using a bar graph.