Question 2 - Figure it out (Page 93-100) - Chapter 4 Class 6 - Data Handling and Presentation (Ganita Prakash)

Transcript

Question 2 Pooja collected data on the number of tickets sold at the Bhopal railway station for a few different cities of Madhya Pradesh over a two-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.(a) Write the number of tickets sold for Vidisha above the bar. (b) Write the number of tickets sold for Jabalpur above the bar. (c) The bar for Vidisha is 6 unit lengths and the bar for Jabalpur is 5 unit lengths. What is the scale for this graph? (d) Draw the correct bar for Sagar. (e) Add the scale of the bar graph by placing the correct numbers on the vertical axis. (f) Are the bars for Seoni and Indore correct in this graph? If not, draw the correct bar(s).Alright, to answer this, we first Label the bar graph properly Identify scale of the bar graph Add bar for Sagar and complete the bar graph Let’s follow these steps Since Vidisha has 24 tickets, and there are 6 horizontal lines So, 1 line is 24/6 = 4 tickets And, scale is 1 unit = 4 tickets Now, we see that Bar for Indore is wrong, so let’s change that Adding Bar for Sagar Let’s answer our questions (a) Write the number of tickets sold for Vidisha above the bar. (b) Write the number of tickets sold for Jabalpur above the bar. (c) The bar for Vidisha is 6 unit lengths and the bar for Jabalpur is 5 unit lengths. What is the scale for this graph? (d) Draw the correct bar for Sagar. (e) Add the scale of the bar graph by placing the correct numbers on the vertical axis. (f) Are the bars for Seoni and Indore correct in this graph? If not, draw the correct bar(s). Let’s answer our questions (a) Number of tickets sold for Vidisha = 24 (b) Number of tickets sold for Jabalpur above the bar = 20 (c) Scale of graph is 1 unit = 4 tickets (d) Correct bar for Sagar is drawn (e) We have added the scale (f) Bar for Seoni is correct. Bar for Indore has been corrected