Stem and Leaf

Here are the speeds, in mph, of 20 cars.


55	70	67	58	69	51	43	63	49	48
65	52	45	42	47	50	47	64	63	58

a.

Draw an ordered stem and leaf diagram to show this information. You must include a key.

[3]

b.

Show that the median speed is 53.5 mph.

Hence work out the sum of the two middle speeds.

[3]

Stem and Leaf

Here are the speeds, in mph, of 20 cars.


55	70	67	58	69	51	43	63	49	48
65	52	45	42	47	50	47	64	63	58

a.

Draw an ordered stem and leaf diagram to show this information. You must include a key.

[3]

b.

Show that the median speed is 53.5 mph.

Hence work out the sum of the two middle speeds.

[3]

Stem and Leaf

Stem and Leaf Questions