(2) Open questions compare your height with the average level and talk about your own ideas.
2.( 1) In 12 months of a year, the temperature in A is relatively high, with little temperature difference. From April to 10, the temperature in B is relatively high, while the temperature in other months is relatively low, and the temperature difference is quite large.
(2) The second place is suitable for the growth of raspberries.
(3) The average temperature of Party A in May is 27.4℃, and the average temperature of Party B in May is 265,438+0.3℃, which is different. Please prepare some thick clothes.
3.( 1) Chen Ming's weight increased the most from 13 to 14 years old.
(2) Chen Ming's weight is always higher than the standard weight.
4.( 1) Card A: 75+80+62+45+53+42+38+46+35+32+37+30 = 575 (Taiwan Province);
B: Card: 30+40+38+42+45+43+46+39+42+50+43+52 = 510 (pieces).
The total sales volume of a certain brand of color TV is the highest in the whole year.
(2) The broken-line statistical chart can clearly show the annual sales trend of the two color TVs, because the broken-line statistical chart is more intuitive and easier to compare than the statistical chart.
(3) Comparing the trends of the two broken lines, we can know that the sales of A-brand color TVs are gradually decreasing, while the sales of B-brand color TVs are gradually increasing and surpassing A-brand color TVs. It can help the store manager to make a decision. We should increase the purchase of B-brand color TV sets and reduce the purchase of A-brand color TV sets to ensure stable sales.
5. Analysis: The data in the (1) group shows different ways for boys and girls to have a May Day holiday, but it is more appropriate to use a histogram to show the difference in the number of boys and girls under each holiday way. (2) The data of the group is the number of boys and girls who took part in tourism from grade one to grade six, aiming at comparing the changes of the number of boys and girls in each grade, and choosing a line chart is more appropriate.