Data Handling and Presentation
Class 6 · Mathematics · 22 Questions
What would you do to find the most popular game among Naresh's and Navya's classmates?
Try to find out the most popular game among your classmates.
Pari wants to respond to the questions given below. Put a tick (✓) for the questions where she needs to carry out data collection and put a cross (×) for the questions where she doesn't need to collect data. Discuss your answers in the classroom.
| Sweets | Tally Marks | No. of Students |
|---|---|---|
| Jalebi | 6 | |
| Gulab Jamun | 9 | |
| Gujiya | ___ | |
| Barfi | ___ | |
| Rasgulla | ___ |
Is the above table sufficient to distribute each type of sweet to the correct student? Explain. If it is not sufficient, what is the alternative?
How did arranging the data in ascending order help to answer these questions?
Are there other ways to arrange the data?
Write the names of a few trees you see around you. When you observe a tree on the way from your home to school (or while walking from one place to another place), record the data and fill in the following table—
| Tree | No. of Trees |
|---|---|
| Peepal | |
| Neem | |
| ... | |
| ... |
Take a blank piece of paper and paste any small news item from a newspaper. Each student may use a different article. Now, prepare a table on the piece of paper as given below. Count the number of each of the letters 'c', 'e', 'i', 'r', and 'x' in the words of the news article, and fill in the table.
Magan Bhai sells kites at Jamnagar. Six shopkeepers from nearby villages come to purchase kites from him. The number of kites he sold to these six shopkeepers are given below. Prepare a pictograph using the symbol ♻ to represent 100 kites. Answer the following questions:
How many total cars passed through the crossing between 6 am and noon?
Why do you think so little traffic occurred during the hour of 6–7 am, as compared to the other hours from 7 am-noon?
Why do you think the traffic was the heaviest between 7 am and 8 am?
Why do you think the traffic was lesser and lesser each hour after 8 am all the way until noon?
Samantha visited a tea garden and collected data of the insects and critters she saw there. Here is the data she collected— Mites: 6, Caterpillars: 10, Beetles: 5, Butterflies: 3, Grasshoppers: 2. Help her prepare a bar graph representing this data.
Pooja collected data on the number of tickets sold at the Bhopal railway station for a few different cities of Madhya Pradesh over a 2-hour period. She used this data and prepared a bar graph on the board to discuss the data with her students, but someone erased a portion of the graph.
Chinu listed the various means of transport that passed across the road in front of his house from 9 AM to 10 AM:
Roll a die 30 times and record the number you obtain each time. Prepare a frequency distribution table using tally marks. Find the number that appeared:
Faiz prepared a frequency distribution table of data on the number of wickets taken by Jaspreet Bumrah in his last 30 matches:
Mudhol Hounds (a type of breed of Indian dogs) are largely found in North Karnataka's Bagalkote and Vijaypura districts. The government took an initiative to protect this breed by providing support to those who adopted these dogs. Due to this initiative, the number of these dogs increased. The number of Mudhol dogs in six villages of Karnataka are as follows— Village A: 18, Village B: 36, Village C: 12, Village D: 48, Village E: 18, Village F: 24. Prepare a pictograph and answer the following questions:
A survey of 120 school students was conducted to find out which activity they preferred to do in their free time. Draw a bar graph to illustrate the above data taking the scale of 1 unit length = 5 students. Which activity is preferred by most students other than playing?