LONG QUIZ #1 MATH 3RD

What is the mean of a data set?

• The number that occurs most frequently

• The middle number in an ordered data set

• The numerical average of a data set

• The largest number in a data set

How do you find the mean of a data set?

• Arrange the numbers in order and find the middle value

• Identify the most frequently occurring number

• Add all the values and divide by the number of values

• Subtract the smallest number from the largest number

What is the median of this set of numbers: 2, 5, 7, 9, 10?

• 5

• 7

• 9

• 10

If a data set has two numbers that appear most frequently, what do we call it?

• No mode

• Bimodal

• Median

• Mean

Which measure of central tendency is most affected by extremely high or low values?

• Mean

• Median

• Mode

• Range

What is the mode in this set: 3, 5, 5, 7, 8, 8, 8, 10?

• 5

• 7

• 8

• No mode

Which measure of central tendency best represents the most common value in a data set?

• Mean

• Median

• Mode

• Average

What happens if no number appears more than once in a data set?

• The mode is the highest number

• There is no mode

• The mode is the mean

• The mode is the median

If a data set has an odd number of values, how do you find the median?

• Add all the numbers together and divide by the total count

• Find the number that appears most frequently

• Arrange the numbers in order and pick the middle number

• Multiply the smallest and largest number

Find the mean of this data set: 4, 6, 8, 10, 12

• 8

• 6

• 10

• 12