Question 1: Plot a bar chart to represent the following data: Apples = 4, Bananas = 7, Oranges = 5. Use the grid to draw the bars proportionally.

Answer: Bars with heights of 4, 7, and 5 units respectively.

Question 2: Construct a bar chart showing the number of students in each class: Class 1 = 20, Class 2 = 15, Class 3 = 25.

Answer: Bars corresponding to heights of 20, 15, and 25 units.

Question 3: Explain the key steps involved in drawing a bar chart from a given data set.

Answer: Organize data into categories, scale axes, draw bars proportionally according to data values, label axes and title.

Question 4: Identify the error in this bar chart: The bar for 'Blue' is shorter than the bar for 'Red', but the data shows Blue has 8 units and Red has 5 units.

Answer: The bars are incorrectly scaled; the Blue bar should be taller than Red.

Question 5: Given the data: Cats = 12, Dogs = 18, Birds = 9, draw a bar chart to compare the total numbers. Use the grid to ensure proportionality.

Answer: Bars with heights of 12, 18, and 9 units respectively.

Question 6: Construct a bar chart illustrating the frequency of different fruits sold: Mango = 10, Pineapple = 15, Banana = 8.

Answer: Bars with heights of 10, 15, and 8 units.

Question 7: Plot the graph of y=2x for x values 0 to 5 on the grid. Draw and connect the points accurately.

Answer: Line passing through points (0,0), (1,2), (2,4), (3,6), (4,8), (5,10).

Question 8: A bar chart shows that 14 students prefer pizza, 9 prefer burgers, and 6 prefer pasta. Draw this bar chart and label each category.

Answer: Bars with heights of 14, 9, and 6 units, labeled accordingly.

Question 9: Using the grid, construct a bar chart for the data: Red = 7, Green = 12, Blue = 9. Ensure proportionality and label axes.

Answer: Bars proportionally scaled to 7, 12, and 9 units, labeled with color categories.

Question 10: Challenge: The data for the number of books read in a month is: Fiction = 20, Non-fiction = 15, Comics = 25. Draw a bar chart and identify the category with the highest and lowest numbers.

Answer: Highest: Comics (25), Lowest: Non-fiction (15). Bars scaled accordingly.

Question 11: Error Analysis: A student's bar chart shows the following data: Apples = 5, Bananas = 10, Oranges = 8, but the bars are all the same height. What mistake did the student make and how can it be corrected?

Answer: The student did not scale the bars proportionally; each bar should reflect its data value. Correct by adjusting bar heights proportionally to data.