Understanding Mean, Median, and Mode

The video tutorial explains how to find the mean, median, and mode of a set of numbers. It begins by defining each term: the mean is the average, the median is the middle value, and the mode is the most frequently occurring number. The tutorial then demonstrates how to calculate the mean by summing the numbers and dividing by the count. It explains finding the median by ordering the numbers and averaging the two middle values if the count is even. Finally, it identifies the mode as the number appearing most often in the set.

What is another term commonly used for the mean?

• Geometric mean

• Quadratic mean

• Harmonic mean

• Arithmetic mean

How do you calculate the mean of a set of numbers?

• Multiply all numbers and divide by the count

• Sum all numbers and divide by the count

• Subtract the smallest number from the largest

• Find the middle number in the set

What is the mean of the numbers 23, 29, 20, 32, 23, 21, 33, and 25?

• 27.25

• 25.75

• 26.5

• 24.5

What is the first step in finding the median of a dataset?

• Add all numbers together

• Order the numbers from least to greatest

• Find the number that appears most frequently

• Divide the sum by the number of values

If a dataset has an even number of values, how is the median determined?

• By selecting the smallest number

• By choosing any number from the dataset

• By selecting the largest number

• By taking the average of the two middle numbers

What is the median of the numbers 20, 21, 23, 23, 25, 29, 32, and 33?

• 26

• 25

• 24

• 23

Which number appears most frequently in the dataset 23, 29, 20, 32, 23, 21, 33, 25?

• 32

• 29

• 23

• 20

What is the mode of a dataset?

• The average of all numbers

• The middle number in an ordered set

• The number that appears most frequently

• The difference between the largest and smallest numbers

If all numbers in a dataset appear only once, what can be said about the mode?

• The mode is the average of all numbers

• The mode is the largest number

• The mode is the smallest number

• There is no mode

Which of the following is NOT a measure of central tendency?

• Range

• Mode

• Median

• Mean