Long description

There are two stemplots, one for northern cities and one for southern cities. The one for the northern cities has 7 levels. The numbers in the stem start at 374, increase in steps of one and end at 380.

At level 374 there are 2 leaves, 0, 0. Level 375 has no leaves. Level 376 has one leaf, 7 and level 377 also has one leaf, 6. Levels 378 and level 379 have no leaves. Level 380 has three leaves, 1, 1, 4. Beneath the stemplot is written n = 7, followed by 374 vertical line 0 represents 3.740 pence per kilowatt hour. The vertical line sits horizontally between the 374 and the 0. The one for the southern cities has 8 levels. The numbers in the stem start at 374, increase in steps of one and end at 381. At level 374 there is one leaf, 3. Level 375 has no leaves. Level 376 has one leaf, 0 but level 377 has no leaves. Level 378 has one leaf, 4, and level 379 has two leaves, 5, 6. Level 380 has one leaf, 5 and level 381 has one leaf, 8.

Beneath the stemplot is written n = 7, followed by 374 vertical line 3 represents 3.743 pence per kilowatt hour. The vertical line sits horizontally between the 374 and the 3.