Question

The following are the marks (out of 10) on a
class test: 4, 6, 7,5, 3, 5, 4, 5, 2, 6, 2, 5, 1, 9, 6, 5,
8, 4, 6, 7. Find the mean.​

Answer 1

Step-by-step explanation:

10 Mark's hope it helps u

Answer 2

Answer:

5

Step-by-step explanation:

look first let us know the formula of finding Mean ok

formula :   SUM    OF        ALL        OBSERVATION  

               TOTAL NUMBER OF ALL OBSERVATION

solution : 4+6+7+5+3+5+4+5+2+6+2+5+1+9+6+5+8+4+6+7

                                                20

= 100    = 5                                                                                                                                                                

   20

therefore , the answer is 5