Average height
There are twice as many girls in the class as there are boys. The average height of girls is 177 cm, and 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:
Related math problems and questions:
- Calculate 63894
In the 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? - Math class
There are a total of 30 students in a math class. The number of boys is 2 more than 3 times the number of girls. How many boys are in this math class? - Students
There are 15 boys in a class of 40 students. What fraction of the class are girls?
- Class
In the 7C class, there are ten girls and 20 boys. Yesterday was missing 20% of girls and 50% of boys. What percentage of students are missing? - Students 39121
N boys go to class. There are 13 more girls. Today, 4 girls and 5 boys are missing. Thus, how many students in this class are in school today? - Ratio of counts
There are 15 boys and 13 girls in the class. What is the ratio of boys and girls?
