Question 1: A bar chart shows the number of books read by students in a month. If the bar for Student A reaches up to 12 on the vertical axis, how many books did Student A read?

Answer: 12

Question 2: Identify the category with the highest frequency from a bar chart showing favorite sports: Soccer (8), Basketball (5), Tennis (7), and Swimming (6).

Answer: Soccer

Question 3: If the bar for 'Apples' is twice as tall as the bar for 'Oranges' on a given chart, and the 'Oranges' bar reaches 4, what is the value for 'Apples'?

Answer: 8

Question 4: A bar chart shows the number of cars sold in four months: January (50), February (70), March (65), April (80). Which month had the second highest sales?

Answer: March

Question 5: Construct a bar chart to represent the following data: Colors of cars sold last month – Red (20), Blue (15), Green (10), Black (25).

Answer: Student draws bars with heights proportional to the values.

Question 6: A bar chart displays the number of pets owned by students: Dogs (12), Cats (15), Fish (9). If a new student owns 4 pets, which pet category can accommodate this student without exceeding the current highest category?

Answer: Dogs or Cats

Question 7: Explain what it means if two bars on a bar chart are of equal height.

Answer: The categories have the same frequency or value.

Question 8: A bar chart shows the number of students passing different exams. If the bar for Math is 15 units tall and the bar for Science is 10 units tall, what is the ratio of students passing Math to those passing Science?

Answer: 3:2

Question 9: Identify the mistake in interpreting a bar chart where the height of the bar is incorrectly read as 20 when it actually reaches up to 25 on the axis.

Answer: Misreading the scale; the bar reaches 25, not 20, so the value is 25.

Question 10: Compare two categories on a bar chart: Category A has 30 units, and Category B has 45 units. How much greater is B's value compared to A's?

Answer: 15

Question 11: In a bar chart showing monthly rainfall, April has 60mm, May has 75mm, and June has 50mm. Which month has the highest rainfall, and what is the difference from June?

Answer: May; 25mm

Question 12: A student incorrectly interprets a bar chart and concludes that a category with height 10 actually represents 100. What is the mistake?

Answer: Misreading the scale; the height of 10 needs to be multiplied by the scale factor to get the actual value.