Answered

At Westonci.ca, we make it easy to get the answers you need from a community of informed and experienced contributors. Our Q&A platform offers a seamless experience for finding reliable answers from experts in various disciplines. Get immediate and reliable solutions to your questions from a community of experienced professionals on our platform.

The 30 students in class A have a mean test score of 80%. The 20 students in class B have a mean test score of 75%.

What is the mean score for all 50 students?

Sagot :

coehe

Answer:

77.5%

Step-by-step explanation:

Add 80 and 75 together: 155

Then divide by 2 because there are 2 #s: 77.5

Add a percent symbol to they're end cause they are all percents: 77.5%

And you have your answer!!!!

Visit us again for up-to-date and reliable answers. We're always ready to assist you with your informational needs. We hope you found this helpful. Feel free to come back anytime for more accurate answers and updated information. Westonci.ca is here to provide the answers you seek. Return often for more expert solutions.