Measures of Position

What measures of position divides the distribution into 100 equal parts?

• quartiles
• deciles
• percentiles
• range

What measures of position divides the distribution into 10 equal parts?

• quartiles
• deciles
• percentiles
• range

What measures of position divides the distribution into 4 equal parts?

• quartiles
• deciles
• percentiles
• range

How many percent corresponds P₂₅ if you will interpret it?

• 10%
• 25%
• 50%
• 60%

How many percent corresponds Q3 if you will interpret it?

• 25%
• 50%
• 75%
• 90%

How many percent corresponds Q3 if you will interpret it?

• 25%
• 50%
• 75%
• 90%

How many percent corresponds D6 if you will interpret it?

• 20%
• 40%
• 60%
• 80%

How many percent corresponds Q1 if you will interpret it?

• 25%
• 50%
• 75%
• 80%

The median is equivalent to...

• the middle quartile (Q₂)
• the fifth decile (D₅)
• the 50th percentile (P₅₀)
• all of these

Jenny scored at the 99th percentile on a test. How should we interpret this information?

• Jenny scored better than 99% of people who took this test

• Jenny scored worse than 99% of people who took this test

• Jenny got 99% of the questions on the test right

• Jenny got 99% of questions on the test wrong