Question

The table shows the number of points scored by players on a basketball team.

a. Find the range and interquartile range of the data.
21,53,74,82,84,93,103,108,116,122,193(table)
The range is
points.

The interquartile range is
points.

Answer 1

Given data:

• 21, 53, 74, 82, 84, 93, 103, 108, 116, 122, 193

The range:

• 193 - 21 = 172

The IQR is the difference of Q3 and Q1:

• Q3 = 116, the median of upper half of data
• Q1 = 74, the median of lower half of data
• IQR = 116 - 74 = 42