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Brother, I'm looking for answers, too.
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Got a topic? I don't have that book.
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First, write the number directly.
2. Think about it and fill it in.
1. Commonly used statistical charts are ( ) statistical charts, ( statistical charts, ( statistical charts.
2. If you only represent the number of various quantities, you can choose ( ) statistical chart representation; If you want to represent the increase or decrease of quantity, you can choose ( ) statistical chart to represent it; If you want to have a clear understanding of the relationship between the number of parts and the total number, you can use ( ) chart to represent it.
3. The following is a statistical chart of the quality of each part of the egg. From the diagram we can see that the mass of the shell in an egg is about ( ) The mass of the yolk is about ( ) If an egg weighs 80 grams, then the egg white in this egg weighs ( ) grams.
4. Which statistical chart is appropriate to represent the following data?
a.Adults can't do without water, and 47% of the water in the body of adults is obtained by drinking water every day, 39% from the water contained in food, and 14% from the water released by oxidation in the body.
b.The statistics table of the favorite extracurricular activities of fifth-grade students in a certain school is as follows.
Watch TV, Play Ball, Listen** Watch**, Other.
Number of people 80 68 74 56 23
c.Xiaoqiang's height record for each physical examination from the first grade to the fifth grade is as follows.
Grades: 1st Grade, 2nd Grade, 3rd Grade, 4th Grade, 5th Grade, 6th Grade.
Height cm 125 129 135 140 150 153
A uses ( ) charts b uses ( ) charts c uses ( ) charts.
5. Look at the picture: The Chinese population accounts for about 6 billion people in the world, and China has about 100 million people.
3. Complete the following questions as required.
1. The following table is the daily intake of various foods for Xiaoli's family of three.
Kind of intake grams as a percentage of total intake.
Fats and fats 50
Milk and legumes 450
Fish, poultry, meat, eggs, etc. 600
Vegetables and fruits 900
Cereals 1800
Complete from the chart**.
2. The following figure is a statistical chart of TV programs that teachers in a school like to watch.
Teachers who like "Into Science" account for ( ) of the total number of teachers
The number of people who like ( ) shows and ( ) shows is about the same.
The number of people who like ( ) shows is the least.
If the school has 150 teachers, then the teachers who like news broadcasts are ( ).
3. The above figure is a statistical chart of Congcong's living expenses in October.
This is the ( ) chart, what do you know from the chart?
If the expenditure of the Cong Cong family this month is 1,600 yuan, please calculate the amount of money for each expenditure separately.
What other questions can you ask?
4. The following is a statistical chart of the seedlings in the seedling base of the forest farm.
There are 3500 willow trees, what is the total number of these saplings?
How many pines and cypresses are there?
What percentage more poplar than locust tree?
Fourth, the wisdom of the house.
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