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The answers on pages 65 and 66 of the second volume of the fifth grade of Huanggang Mathematics Junior Champion.
(The period here can be ignored. )

More than one. No pattern

dotted line

94。 9 1、85。 94

Single type. multiple

2 1

178 180

1 5。 8。 10

Median: 4 1.5. Majority: 43

Good: 13 people. Excellent: 10 people

4。 6。 3。 4。 1

Median: 80. Mode; 80

It is about 77.72 points.

Median.

Wang hong: Average: 50. Median: 50. Majority: 5 1, 50,49.

Li Hua: Ping: 50. Medium: 50.5. Population: 4 1.

Wang hong is more suitable.

A little.

Three. 30。

One. 220

Four. 20

one half

Beer shows a downward trend, while liquor shows an upward trend.

I want to add more liquor.

leave out

1。 three

29 inch: 1 150 sets, 37 inch: 1620 sets.

29 inches downward trend, 37 inches: upward trend.

40。 35

16。 20。 15。 30

Parallel.

Are you satisfied?