subject

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 7
A class of 20 students was surveyed about their favorite sport. The results were: Football - 8, Basketball - 6, Cricket - 4, Tennis - 2. What percentage of students chose Basketball?
A data set has the following values: 2, 4, 4, 6, 8. What is the mean?
A survey of 50 students found that 20 like reading, 15 like sports, and 15 like music. What fraction of students like sports?
A survey was conducted to find the favorite fruit of 30 students. The results are: Apple - 10, Banana - 8, Orange - 7, Mango - 5. What is the mode of the data?
A class of 20 students was surveyed about their favorite sport. The results were: Football - 8, Basketball - 6, Cricket - 4, Tennis - 2. What percentage of students chose Basketball?
A data set has the following values: 2, 4, 4, 6, 8. What is the mean?
A survey of 50 students found that 20 like reading, 15 like sports, and 15 like music. What fraction of students like sports?
A survey was conducted to find the favorite fruit of 30 students. The results are: Apple - 10, Banana - 8, Orange - 7, Mango - 5. What is the mode of the data?
Which of the following best describes a population in statistics? (1) A group of people in a city (2) All items or individuals of interest in a study (3) A sample of students (4) A group of animals in a zoo
Which of the following is a continuous variable? (1) Number of pets (2) Distance run in meters (3) Number of pencils (4) Number of chairs
Which of the following is a continuous variable? (1) Number of students (2) Shoe sizes (3) Time taken to run a race (4) Number of cars
Which of the following is a discrete data set? (1) Heights of students (2) Number of books in a library (3) Weights of apples (4) Temperature readings
Fill in the blank: A ________ chart is used to show how different categories contribute to a whole.
Fill in the blank: A ________ is a collection of information, facts, or numbers.
Fill in the blank: A ________ is a visual representation of data using rectangular bars.
Fill in the blank: Data collected by someone else and used by a researcher is called ________ data.
Is it necessary to organize data before representing it graphically? Yes or No.
Is it possible for a data set to have more than one mode? Yes or No.
Is the following statement true or false? 'A frequency table can help in organizing large data sets.'
Is the following statement true or false? 'A pie chart is best used to show parts of a whole.'