Core · whole class
PEER GROUP DECISION — whose figures can we fairly compare?
Council | Population | Loans/resident
---------------|------------|---------------
Cessnock | 69,352 | 2.65
Shoalhaven | 110,803 | 3.83
Maitland | 98,163 | 3.86
Wagga Wagga | 68,951 | 4.13
Willoughby | 79,634 | 10.70
Kiama | 23,173 | 6.45
1. Compute the median loans/resident for all six councils. ______
2. One council's figure is far higher than the rest, and one is far smaller in population. Which one changes the comparison most if removed? Why?
3. Decide your peer group. Justify in two sentences: why these, why not others?
4. Recompute the median. Did the benchmark move? ______
Modified · Student M · steps split, sentence starters
PEER GROUP DECISION — whose figures can we fairly compare?
[A. Circle the word you need] median / average → we use ______ because
extreme values change it less.
[B. Look at the table. One council is much smaller than the others. Mark it with ✗.]
(table identical)
[C. Before/after]
Median, all six councils: ______
Median, five comparable: ______
The benchmark moved ☐ a lot ☐ a little
[D. Sentence starters — finish both]
I compare Cessnock with ____________ because they have similar ______.
I exclude __________________ because its size makes the number not fair.
[E. Talk first, then write]: tell your partner which group you chose, then write the same two sentences.