Free Test Bar Graphs, Pie Charts... – General...

Q1: What does a bar graph primarily display?

A. Relationship between data B. Cumulative frequencies C. Individual data items D. Categorical comparison

Q2: Which chart is best used for showing parts of a whole?

A. Bar Chart B. Pie Chart C. Histogram D. Line Chart

Q3: In a histogram, the area of each bar represents what?

A. Mean B. Frequency C. Range D. Median

Q4: Which of the following is not a feature of a histogram?

A. Equal bar width B. Bars touch each other C. Used for continuous data D. Used for categorical data

Q5: A bar graph shows sales for five products. What axis usually contains the product names?

A. X-axis B. Y-axis C. Z-axis D. None

Q6: What do pie chart sectors represent?

A. Trends over time B. Group frequency C. Proportional parts of a whole D. Cumulative frequency

Q7: If a bar graph has unequal bar width, it could lead to?

A. Better clarity B. Wrong impression C. No change D. Faster calculation

Q8: Which diagram helps detect skewness in data distribution?

A. Pie chart B. Line graph C. Histogram D. Bar graph

Q9: Which of the following cannot be determined from a pie chart?

A. Percentage composition B. Exact quantities C. Total sum D. Relative comparison

Q10: What type of data is typically displayed on a histogram?

A. Categorical B. Continuous C. Nominal D. Qualitative

Q11: When are vertical bar graphs more effective than horizontal ones?

A. Long labels on categories B. Few data items C. Same performance D. All cases

Q12: Which chart best visualizes the age distribution of people?

A. Bar Graph B. Histogram C. Pie Chart D. Line Graph

Q13: If a pie chart angle is 90°, what percentage does it represent?

A. 25% B. 30% C. 15% D. 50%

Q14: Which of these is useful to compare two sets of data?

A. Line chart B. Histogram C. Multiple bar chart D. Pie chart

Q15: Pie charts are limited because:

A. Too many sectors cause confusion B. It’s hard to color them C. Data isn’t accurate D. They are 2D

Q16: The sum of all angles in a pie chart is:

A. 180° B. 270° C. 360° D. 90°

Q17: Which chart does not use axes?

A. Bar graph B. Histogram C. Pie chart D. Line graph

Q18: Which chart helps in showing changes over time?

A. Histogram B. Pie Chart C. Line Graph D. Bar Graph

Q19: When drawing a histogram, what must the classes be?

A. Overlapping B. Equal frequency C. Non-overlapping and continuous D. Random

Q20: Which of the following charts best shows frequency distribution?

A. Pie Chart B. Histogram C. Bar Graph D. Line Chart

Quiz for Bar Graphs, Pie Charts, Histograms