Math, asked by akinleyebuk, 5 hours ago

Secondary School
In a test out of 40, the marks of 15 students were 31,18,6,26,36,24,23,14,29,28,32,9,11,22,21. calculate the mean mark for the test. express the mean mark as a percentage

Answers

Answered by alinajmirza

1

Answer:

the mean mark for test is 22

Step-by-step explanation:

Add (31,18,6,26,36,24,23,14,29,28,32,9,11,22,21)

you get 330

divide 330 by 15

you get 22

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