Questions LLC
Login
or
Sign Up
Ask a New Question
Math
Algebra
Ms. Take’s and Ms. Fortune’s classes took the same test. The mean score of the 20 students in Ms. Take’s class was 75. The mean score of the 30 students in Ms. Fortune’s class was 95. Find the mean score for all students.
1 answer
75*20 + 95*30 = x * 50
You can
ask a new question
or
answer this question
.
Related Questions
The table below shows the scores of a group of students on a 10-point quiz.
Test Score Frequency 3 1 4 3 5 1 6 1 7 0 8 3 9 4 10 3
The table below shows the scores of a group of students on a 10-point quiz.
Test Score Frequency 3 0 4 2 5 2 6 1 7 2 8 3 9 0 10 4
Class A has 8 pupils and class B has 13 pupils.
Both classes sit the same maths test. The mean score for class A is 38. The mean
Class A has 13 pupils and class B has 12 pupils.
Both classes sit the same maths test. The mean score for class A is 68. The mean
Class A has 13 pupils and class B has 30 pupils.
Both classes sit the same maths test. The mean score for class A is 45. The mean
Alice earned a score of 940 on an IQ test.The mean test score was 850 with a standard deviation of 100.(Assume that test scores
Karl's scores on the first five science tests are shown in the table.
Test 1 Test 2 Test 3 Test 4 Test 5 85 84 90 95 88 Part A.
Class A has 18 pupils and class B has 16 pupils.
Both classes sit the same maths test. The mean score for class A is 61. The mean
i need help: A national achievement test is administered annually to 9th graders. The test has a mean score of 100 and a
5. Each year, a national achievement test is administered to 3rd graders. The test has a mean score of 100 and a standard