Measure of positions and five-number

What divide data into four equal parts?

• Quartiles

• median

• deciles

• percentiles

Percentiles divide a dataset into ... equal parts.

• 100

• 4

• 2

• 10

... divide a data set into 10 equal parts.

• Deciles

• Quartiles

• percentiles

• median

TRUE OR FALSE?

P50 = D5 = median

• TRUE

• FALSE

IQR equals

• Q3 - Q1

• Q3 - Q2

• Q2 - Q1

• range/2

The lower fence for determining outliers is

• Q1 - 1.5*IQR

• Q3 - 1.5*IQR

• Q2 - 1.5*IQR

• None of these

IQR=?

• 40

• 58

• 50

• 20

What are the lower fence and upper fence for outlier detection?

• -40 and 120

• 20 and 60

• 40 and 70

• 12 and 70