Exploring Mean, Median, Mode, and Range in GED Math

Which measure of central tendency is defined as the 'centermost number in an ordered list'?

• Range

• Mode

• Median

• Mean

Which measure of central tendency can be used for both quantitative and qualitative data?

• Mean

• Mode

• Range

• Median

What does the range of a data set tell us?

• The middle value

• The spread of the data

• The most common value

• The average value

If the highest temperature is 99°F and the lowest is -66°F, what is the range?

• 165°F

• 66°F

• 33°F

• 99°F

How do you find the average of four numbers P, R, S, and T?

• P + R + S + T / 4

• P + R + S + T

• (P + R + S + T) / 4

• (P + R + S) / T

How do you find the range of ages if the youngest student is 13 and the oldest is 16?

• 16

• 3

• 29

• 13

What is the median reading score if the scores are 5.2, 7.7, 9.2, 9.6, 10.0, and 12.9?

• 9.6

• 9.2

• 9.4

• 10.0

Which data set would be better represented by the median rather than the mean?

• Identical values

• Uniform test scores

• Symmetrical data

• Ages with an outlier

If a student has an average of 78 after 4 tests, what score do they need on the 5th test to raise their average to 80?

• 80

• 82

• 88

• 90

What is the new average if a student with an 82 average after 3 tests scores 100 on the 4th test?

• 88.0

• 90.0

• 86.5

• 85.5