Question 1: Find the mode of the following data set: 3, 7, 3, 2, 3, 4, 7, 7.

Answer: 3

Question 2: In a class of 30 students, the number of siblings each student has is: 0, 1, 2, 2, 3, 2, 1, 0, 2, 3, 2, 1, 0, 2, 1, 2, 3, 2, 2, 1, 0, 2, 3, 2, 1, 0, 2, 3, 2, 1. What is the most common number of siblings?

Answer: 2

Question 3: Calculate the mode of the data set: 12, 15, 12, 14, 13, 12, 15, 14.

Answer: 12

Question 4: A survey recorded the number of books read by students: 5, 7, 5, 8, 5, 6, 7, 5. What is the mode?

Answer: 5

Question 5: Construct a frequency table for the data: 2, 4, 2, 5, 4, 2, 3, 4, 2.

Answer: Mode is 2, appearing 4 times.

Question 6: The following data represents the number of goals scored by players in a match: 0, 1, 2, 2, 3, 2, 1, 2. Identify the mode.

Answer: 2

Question 7: A bag contains marbles: 4 red, 4 blue, 4 green, and 3 yellow. After randomly drawing one marble, what is the most likely color to be drawn?

Answer: Red, Blue, or Green

Question 8: In a set of data: 10, 12, 10, 13, 10, 12, 14, 10, 12. Find the mode.

Answer: 10

Question 9: A class conducted a survey on favorite fruits. The results were: Apples, Apples, Bananas, Apples, Oranges, Bananas, Apples, Oranges, Oranges, Oranges. Which fruit is the mode?

Answer: Oranges

Question 10: Error Analysis: A student listed the data as 5, 7, 7, 8, 5, 5, 7. They concluded the mode is 7. Is this correct? Explain and correct if necessary.

Answer: No, the mode is 5, which appears 3 times, more than 7 which appears 3 times. Both occur 3 times, so either could be the mode, but typically the smallest value is chosen if there's a tie.