(Full score: 100)
Name: Class: Grade:
I. Fill in the blanks (0/5 for each question, 30 for * * *)
1. The number of books donated by four fourth-grade students in a central primary school to children in poor areas is as follows.
(1) () The donation amount is the largest.
Yao Juan donated more books than Sun Fang.
(3) The amount donated by Li Ming is () times that of Lin Qing.
(4) Each person donated () copies on average.
2. The following is the statistical chart of Lin Ping's electricity consumption in recent months. Answer the questions according to the data provided in the chart.
(1) The maximum power consumption is () months.
(2) The minimum power consumption is () months.
(3) The maximum power consumption is () times of the minimum power consumption.
(4) The average monthly electricity consumption for five months () kWh.
(5) Can you analyze the reasons for the high electricity consumption in July and August?
Second, the operation questions (65438+ 05 points for each question, ***30 points)
1. The statistics of gold medals won by China athletes at the 26th Atlanta Olympic Games, 27th Sydney Olympic Games and 28th Athens Olympic Games are as follows.
Olympic Games (City) Atlanta Sydney Athens
Number of gold medals (pieces) 162832
According to the data in the table, complete the following statistical chart. (bar chart)
(1) From the picture, at which Olympic Games did China athletes win the most gold medals?
(2) What else can we know from the statistical chart?
Please predict how many gold medals China will win in the 2008 Beijing Olympic Games? And explain the reasons for your prediction.
2. Experimental primary schools organize spring outing for the fourth, fifth and sixth grades.
The number of spring outing in each grade is as follows.
Grade four, grade five, grade six
Spring outing: 98 people, 102 people, 95 people.
Rent a car from the same passenger transport company in three grades. The cost of each car is as follows:
Minibus model
Seats are limited to 24 people, 15 people.
Rent (Yuan) 240 yuan 180 yuan.
Please design a reasonable way to rent a car for each grade.
Car rental situation
Rent for high-end car rental
Buses and minivans
four
five
six
Three. Comprehensive application (65438+ 05 points for each question, ***30 points)
1, the following figure is a bar chart of five kinds of agricultural output of a farm in 2006.
Answer the following questions according to the data in the picture.
(1) Which agricultural product has the highest yield? Which is the lowest?
(2) How many times the yield of wheat is that of sorghum?
(3) Fill in the following statistics according to this bar chart.
Statistical table of agricultural products output of a farm in 2006
Total agricultural products wheat corn soybean sorghum millet
Output (ten thousand tons)
In order to celebrate Children's Day on June 1st, the students in Class 4 (3) will hold a celebration, so the class committee decided to buy some fruits. Before you buy fruit, you should investigate how many people eat a certain kind of fruit.
According to the survey, the fruits that students in Class 4 (3) like to eat are as follows.
Total varieties of apples, bananas, oranges and pears
No.47 15 9 16 7
(1) Make a bar chart according to the data in the above table.
(2) Answer the following questions according to the picture above.
What fruit do Class Four (3) like best?
(2) According to the information in the picture, please give reasonable suggestions to class 4 (3) students on how to buy fruits.
Iv. Possibility of discrimination (* *10)
Xiaohong and Xiao Fang play a game of touching the ball, and put six red balls and yellow balls in the box (just different colors and the same shape). Everyone touches 10 times, each time touching 1 ball, then write down the color and put it back. The number of times to touch the red ball is mostly Xiaohong Sheng, and the number of times to touch the yellow ball is mostly Xiaofang Sheng. Please design how to put the colored balls in the box according to the following requirements.
1. Xiaohong is more likely to score than Xiao Fang.
The goal put in is more likely for Xiao Fang to win than Xiao Hong.
The goal put in should make Xiaohong and Xiao Fang equally likely to win.