Class A has 13 pupils and class B has 29 pupils.
Both classes sit the same maths test.
The me...
![subject](/tpl/images/cats/mat.png)
Mathematics, 12.05.2021 20:10 jothianddeepi
Class A has 13 pupils and class B has 29 pupils.
Both classes sit the same maths test.
The mean score for class A is 31.
The mean score for class B is 61.
What is the mean score (rounded to 2 DP) in the maths test across both classes?
![ansver](/tpl/images/cats/User.png)
Answers: 2
![](/tpl/images/ask_question.png)
![](/tpl/images/ask_question_mob.png)
Another question on Mathematics
![question](/tpl/images/cats/mat.png)
Mathematics, 21.06.2019 17:30
Which is the equation of a line perpendicular to the line with the equation 3x+4y=8
Answers: 1
![question](/tpl/images/cats/mat.png)
Mathematics, 22.06.2019 01:30
Urgent? will give brainliest given that the blue triangle is a right triangle, which expression correctly gives the area of the red square? a) a2 + b2 b) a2 - b2 c) a2 - c2 d) c2 - a2
Answers: 1
![question](/tpl/images/cats/mat.png)
Mathematics, 22.06.2019 04:20
Find a conversion factor between square centimeters and square meters. write it in three forms. square centimeters = 1 square meter
Answers: 1
![question](/tpl/images/cats/mat.png)
Mathematics, 22.06.2019 05:30
What is the solution to the system of equations? 10x+3y=8 -9x-y=-20 (11, 1) (1, 11) (–1, 11) (11, –1)'
Answers: 1
You know the right answer?
Questions
![question](/tpl/images/cats/biologiya.png)
Biology, 22.01.2021 05:20
![question](/tpl/images/cats/en.png)
![question](/tpl/images/cats/istoriya.png)
History, 22.01.2021 05:20
![question](/tpl/images/cats/mat.png)
Mathematics, 22.01.2021 05:20
![question](/tpl/images/cats/himiya.png)
Chemistry, 22.01.2021 05:20
![question](/tpl/images/cats/mat.png)
Mathematics, 22.01.2021 05:20
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/biologiya.png)
Biology, 22.01.2021 05:20
![question](/tpl/images/cats/obshestvoznanie.png)
Social Studies, 22.01.2021 05:20
![question](/tpl/images/cats/en.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 22.01.2021 05:20
![question](/tpl/images/cats/biologiya.png)
![question](/tpl/images/cats/ekonomika.png)
![question](/tpl/images/cats/istoriya.png)
History, 22.01.2021 05:20
![question](/tpl/images/cats/istoriya.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 22.01.2021 05:20
![question](/tpl/images/cats/en.png)
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/pravo.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 22.01.2021 05:20