Skip to content
Skip to main content

About this free course

Download this course

Share this free course

Exploring data: Graphs and numerical summaries
Exploring data: Graphs and numerical summaries

Start this free course now. Just create an account and sign in. Enrol and complete the course for a free statement of participation or digital badge if available.

5.6.1 Quartiles for the SIRDS data

For the 23 infants who survived SIRDS, the ordered birth weights are given in Table 9. The first quartile is

qL = x (¼(23+1)) = x (6) = 1.720kg.

The third quartile is

qU = x (¾(23+1)) = x (18) = 2.830kg.