# Average height

There are twice as many girls in the class as there are boys. The average height of girls is 177 cm, boys 186 cm. What is the average height of students in this class?

### Correct answer:

**Showing 1 comment:**

**Kheyt**

Suppose the data you gathered is normally distributed. What is the probability that the

height of your classmates picked randomly is more than 143 cm. If the mean is 154.75 and the standard deviation is 9.69

height of your classmates picked randomly is more than 143 cm. If the mean is 154.75 and the standard deviation is 9.69

Tips for related online calculators

Looking for help with calculating arithmetic mean?

Looking for a statistical calculator?

Do you want to convert length units?

Looking for a statistical calculator?

Do you want to convert length units?

#### You need to know the following knowledge to solve this word math problem:

#### Units of physical quantities:

#### Grade of the word problem:

We encourage you to watch this tutorial video on this math problem: video1

## Related math problems and questions:

- Calculate 63894

In 8A class, the average height of 12 girls is 156 cm, and the average height of 14 boys is 172 cm. Calculate the average number of students in 8A. - Two-thirds 2786

Two-thirds of girls and half of boys learn Spanish in the classroom. There are twice as many boys in the class as there are girls. What part of the class is learning Spanish? - Students

There are 15 boys in a class of 40 students. What fraction of the class are girls? - Ratio of counts

There are 15 boys and 13 girls in the class. What are the ratio of boys and girls? - Students 39121

N boys go to class. There are 13 more girls. Today 4 girls and five boys are missing. How many students in this class are in school today? - Average height

In a class are 34 students. The average height of the students is 165 cm. What will be the average height of students in the classroom when two pupils, tall 176 cm and 170 cm, moved from this school/class? The average height in meters of all the students - Students 2462

There are 5 girls and 5 more boys in the class. How many students are in the class? - Students 20003

The ratio of boys to girls in the class is 5: 7. There are ten boys. How many students are in the class? - Students 65974

In the 9th grade, the ratio of boys to girls is 1: 3. There are a total of 24 students in the class. How many boys and how many girls? - Class

In 7.C class are 10 girls and 20 boys. Yesterday was missing 20% of girls and 50% boys. What percentage of students missing? - Students 5637

There are 21 students in the class, with two times more boys than girls. How many boys and how many girls are in the class? - Students 18463

There are x girls and nine boys in the class. Write a formula for the number y of all students in the class. Express the number of girls from the formula. - Prospering students

There are girls and 30 boys in the class. Boys prospering 28, girls all. How many girls are in the class and how many boys are there, if all the prospering students are 95%? - Classroom

There are eighty more girls in the class than boys. Boys are 40 percent and girls are 60 percent. How many are boys and how many girls? - Benefited 7670

There are 30 boys in the class, and 28 of them passed. The girls all benefited. A total of 95% of the students passed the course. How many girls are in the class of girls? - Percentage 66564

There are 584 students at the school, 421 of them boys. What percentage of students are girls? - A class IV.A

In a class there are 15 girls and 30 boys. What fraction of the class represents the boys?