Data Collection and Representation
Math ⇒ Statistics and Probability
Data Collection and Representation starts at 6 and continues till grade 12.
QuestionsToday has an evolving set of questions to continuously challenge students so that their knowledge grows in Data Collection and Representation.
How you perform is determined by your score and the time you take.
When you play a quiz, your answers are evaluated in concept instead of actual words and definitions used.
See sample questions for grade 9
A class of 30 students was surveyed about their favorite sport. The results were: Football: 12, Basketball: 8, Cricket: 6, Tennis: 4. What is the mode of the data?
A data set has the following values: 4, 8, 6, 5, 7. What is the mean?
A data set has the following values: 5, 7, 7, 8, 10. What is the mean?
A frequency table shows the number of pets owned by students: 0 pets: 5 students, 1 pet: 8 students, 2 pets: 7 students, 3 pets: 2 students. How many students own at least one pet?
A group of students recorded the number of books they read in a month: 2, 3, 5, 2, 4, 3, 2. What is the mode?
A survey was conducted to find the favorite fruit of students in a school. The results are: Apple: 20, Banana: 15, Orange: 10, Mango: 5. What is the total number of students surveyed?
Describe one advantage of using a random sample in data collection.
Describe one limitation of using secondary data.
Describe the purpose of a frequency polygon.
Explain the difference between a bar graph and a histogram.
Explain the difference between qualitative and quantitative data.
Explain why it is important to avoid bias when collecting data.
What is the median of the following data set: 10, 12, 14, 16, 18, 20?
What is the median of the following data set: 3, 7, 8, 12, 15?
What is the mode of the following data set: 1, 2, 2, 3, 4, 4, 4, 5?
What is the range of the following data set: 2, 5, 9, 12, 15?
What is the range of the following data set: 7, 9, 12, 15, 20?
