The fourth chapter statistical principles after-school problem solving ~ ~

In this case. .

It's like

Draw lots. . I got 3 for the first time, 3 for the second time, 4 for the third time, 5 for the fourth time, 5 for the fifth time and 6 for the sixth time.

average number

In this case,

It should be the sum of the numbers drawn from the second to the sixth, and then divided by 5.

Just like the question above. . . . . .